Green Lab Grown Diamond Engagement Rings

A green diamond is the one colour almost nobody expects to see on a ring. It does not read as 

a tinted white stone; it reads as its own thing, fresh, cool and quietly confident, the shade of new leaves rather than ice. Where a colourless diamond sparkles and a pink one glows, a green one looks alive. This collection gathers Reia's lab-grown green diamond rings, from soft, clear greens to brighter, more saturated tones, each one a real diamond set in BIS-hallmarked gold and hand-finished in our own workshop in India.

IGI/SDI-certified lab-grown diamonds · BIS-hallmarked gold · Fancy-colour green centres with EF–VVS white accents · Free resizing & lifetime care · Cash on Delivery · Many custom orders ready in as little as 7 days · Try them on in Bangalore, Coimbatore & Guwahati

Green is one of the rarest colours the earth ever gives a diamond. Fewer than one mined diamond in a thousand shows any natural green at all, and a pure, even green is rarer still, scarce enough that the most famous example sits in a royal vault in Germany. Lab-grown diamonds bring that same colour into reach: the identical stone and the identical fire, at a price that leaves your budget for the ring rather than the rarity. Every green diamond ring here belongs to our Chromatique collection of coloured lab-grown diamonds, so you get the drama of a fancy-colour stone without the fancy-colour markup.

What is a Green Diamond?

A green diamond is a real diamond that carries a green body colour rather than being colourless. In a white diamond, any tint is graded as a flaw. A fancy green diamond turns that logic around: here, the colour is the entire point, and an even, attractive green is what makes the stone special.

Green is the most unusual colour in the diamond world, because of how it forms. Yellow comes from nitrogen, and blue comes from boron, both elements added to the crystal. Green comes from something different: physical damage to the crystal itself. When a diamond is exposed to radiation, a few carbon atoms are knocked out of position, leaving tiny empty spaces that gemmologists call vacancies, or GR1 centres. These vacancies absorb light from the red end of the spectrum, so the light that returns to your eye reads green. In nature, this happens when a diamond sits near radioactive minerals close to the earth's surface over an immense span of time, which is why natural green is so rare and so hard to find in a clean, even colour.

A lab-grown green diamond reaches the same colour through a controlled, disclosed version of that process. A real, lab-grown diamond is given a measured dose of radiation, which creates the same GR1 vacancy centres in the crystal and the same green result. It is the natural mechanism, reproduced under laboratory conditions. The stone is a genuine diamond, pure crystallised carbon, a perfect 10 on the Mohs hardness scale, that simply happens to be green. It is not radioactive and is completely safe to wear. Side by side, a lab-grown and a mined green diamond of the same colour are optically and chemically identical.

One honest, useful thing to know, and something most jewellers will not tell you, is that a green diamond's colour is stable in daily wear and in sunlight, but it does not like extreme heat. The same energy that a jeweller's torch produces during a repair can, above a few hundred degrees, coax those carbon atoms back into place and shift the green. It is never a concern for wearing the ring; it only matters for bench work, and it is easily managed by any jeweller who knows the stone is a colour-treated green diamond. We do, and we handle it correctly. There is more on this in the care section below.

For a sense of just how special this colour is, the benchmark is the Dresden Green, a 41-carat natural green diamond that has been on display in Germany for more than two hundred years and is still the largest and finest natural green ever found. Growing green diamonds is what makes that same colour something you can actually wear on your hand, rather than admire behind museum glass.

Why Choose a Green Diamond Ring

It is genuinely unexpected. Most people have never seen a green diamond ring in person. It is a statement, but a fresh and wearable one, not a louder version of a white solitaire.

It is one of the rarest colours a diamond can have. In nature, green is rarer than yellow or blue, and second only to red. A green ring carries a real sense of occasion that a plain solitaire cannot.

It reads as nature, renewal and calm. Green is the colour of growth and balance, which makes it a quietly meaningful choice for an engagement or a milestone.

It works with gold in a way few stones do. Warm gold against a cool green is the classic jewel-box pairing, fresh and a little botanical. Against white gold, the same green reads crisp and modern.

Fancy colour, sensible price. Natural green diamonds are among the most expensive stones on earth. Growing them brings that exact colour within reach of a normal ring budget.

Real diamond, everyday tough. At 10 on the Mohs scale, a green lab-grown diamond is as scratch-resistant as any diamond, built for daily wear.

Certified and conflict-free. Each lab-grown diamond is IGI- or SDI-certified for cut, colour, clarity, carat, and origin, and set in independently BIS-hallmarked gold, so there are none of the sourcing question marks that mining carries, and none of the natural-versus-treated ambiguity either, because our stones are disclosed lab-grown from the start.

Green suits someone with real confidence in their own taste, and often a love of the natural world. If that is the person you are shopping for, or you, this is the right page.

Green Diamond Rings in This Collection

A closer look at the pieces available now. Prices move with the daily gold rate, so treat these as indicative.

Verdant Halo Radiant Diamond Ring: a radiant-cut green diamond wrapped in a halo of marquise and round EF/VVS white diamonds, in 14KT white gold. Cool metal and a bright halo throw the green forward, so it reads at its most saturated.

Luxe Green Diamond Statement Ring: a princess-cut green centre flanked by pear-shaped diamonds in a floral-inspired cluster, in 14KT yellow gold. Warm gold, a sharp modern centre and a botanical setting.

Royal Garden Cluster Diamond Ring: an emerald-cut green stone paired with a large white diamond and marquise accents, in 14KT yellow gold. A true two-colour statement piece, the boldest of the everyday-wearable designs.

Green Centre Elegance Diamond Ring: a clean emerald-cut green centre with round diamond accents along the band, in 14KT yellow gold. The most classic, most versatile take on colour here, and the most accessible full-size piece.

Curved Diamond Wrap Diamond Ring: an open wrap set with two pear-shaped green stones at each end over pavé diamond bands, in yellow gold. A modern, two-stone design that reads a little like a toi et moi.

Vintage Crown Diamond Cocktail Ring: an intricate diamond-set crown motif in 14KT white gold, made to order. The showpiece of the collection.

Across the collection, green diamond rings start at around ₹55,000, with most pieces sitting between ₹1,00,000 and ₹1,50,000, and the largest statement designs reaching about ₹2,50,000, depending on carat, shape, and gold. 

Understanding green diamond colour

White diamonds are graded on the familiar D-to-Z scale, where D is colourless. Fancy-coloured diamonds are graded on a different system entirely, based on how strong and saturated the colour is, and green diamonds carry the added twist that pure green is unusually hard to find.

The intensity ladder

From softest to strongest, green diamonds are described as Faint, Very Light, Light, then Fancy Light, Fancy, Fancy Intense and Fancy Vivid, with the deepest stones graded Fancy Deep or Fancy Dark. Green also frequently comes with a secondary tone, such as yellowish-green, bluish-green, or grey-green, and the trade uses friendly names like mint, seafoam, lime, and olive to describe these. A pure, even green with no muddiness is the rarest and most prized. Reia's ring stones sit in the fresh, clearly green part of the range, saturated enough to read unmistakably green in daylight, which is where a green diamond looks its best on the hand.

Which intensity is "best"?

There is no single right answer; it is a matter of taste and budget. A softer, mintier green is easy and elegant for everyday. A deeper, more saturated green is a pure statement. What matters most with green is that the colour is even and clean to your eye, without a grey or brown cast. Because each Reia green diamond is certified, the exact colour is documented on its report, so you always know what you are buying.

Cut, clarity and carat still apply

Colour is the headline, but the other three of the 4Cs still shape the ring. A good cut keeps a coloured stone lively; clarity keeps it clean to the eye; and carat, as always, drives size and price. A brilliant cut, such as radiant, concentrates and lifts the colour, so a green stone can look richer and brighter for its carat, which is exactly why so many coloured rings are radiant-cut.

Green Diamond Shapes at Reia

Green reads differently in every shape. The rings in this collection centre on the cuts that suit the colour best, with more shapes available to order.

Radiant is arguably the best all-round shape for a fancy colour. Its brilliant faceting concentrates and lifts the green, so the stone reads livelier and brighter, which is why it anchors our halo design. See the Verdant Halo Radiant ring, or browse more radiant-cut rings.

Emerald is a clean, architectural step-cut that shows the green as clear and glassy rather than sparkly. Understated and modern, as in the Green Centre Elegance and Royal Garden Cluster rings. Explore emerald-cut rings.

Princess is sharp, brilliant, and contemporary, a strong modern frame for green, as in the Luxe Green Statement ring. See princess-cut rings.

Pear spreads the colour across a larger, softer, more romantic face, and pairs beautifully in twos, as in the Curved Diamond Wrap. See pear-cut rings.

Prefer another shape? Asscher gives green a vintage, hall-of-mirrors depth, oval flatters and elongates, and round is the timeless all-rounder. We can make any of them in green; see custom green diamond rings below.

Settings and Styles

How a green stone is set changes everything about how the colour behaves. The pieces here show the settings that work best for a coloured centre, along with a few more you can commission.

Halo: a ring of small white diamonds around the green centre makes the colour pop by contrast and adds size for the money, as in the Verdant Halo Radiant ring.

Pavé shoulders: a line of small white diamonds along the band frames the green centre and adds continuous sparkle, as in the Green Centre Elegance and Curved Diamond Wrap rings. See pavé designs.

Cluster and multi-stone: green surrounded by white marquise and pear accents reads like a garden in bloom, as in the Luxe Green Statement and Royal Garden Cluster rings. See three-stone designs.

Toi et Moi: two stones side by side, "you and me". A green diamond paired with a white one, or with a second green, makes a modern, personal two-stone ring. Explore all Toi et Moi rings.

Solitaire: a single green diamond, unframed, letting the colour speak for itself. See solitaire rings.

Eternity and alternating bands: green and white diamonds set around the band for colour all the way round. See eternity bands.

Throughout, the white accent and pavé diamonds follow Reia's house standard for colourless stones: EF colour, VVS clarity, so the bright white framing stays crisp next to the green.

Choosing Your Gold Colour

Green is unusually flexible with metal, and the gold you choose changes the ring's overall mood.

Yellow gold is the classic, jewel-box choice. Warm gold against a cool green is fresh and a little botanical, the same pairing that has made emeralds-in-gold beloved for centuries. It is the dominant look in this collection, and the easiest green to love. Shop yellow gold rings.

White gold is the highest-contrast, most modern option. Cool, bright metal frames the green and throws the colour forward, so it reads clearer and more saturated. Best if you want the stone to be unmistakably the star, as in our halo and cocktail pieces. Shop white gold rings.

Rose gold is the boldest choice of all. Pink-toned metal and green sit almost opposite each other on the colour wheel, so the pairing is unexpected, vintage and full of character. Available to order. Shop rose gold rings.

Every Reia ring is crafted in BIS-hallmarked 14KT or 18KT gold; the green pieces on this page are 14KT. 18KT is purer and richer in colour; 14KT is a touch harder and more affordable, and both wear well every day. One note on white gold: its bright finish comes from a thin rhodium plating that wears slowly with daily contact, and a re-plate every year or two restores it as part of our lifetime care.

Natural vs Lab-Grown Green Diamonds

Both are real diamonds. The differences are origin, rarity, and price, and with green, that difference is dramatic. Natural green is one of the rarest of all fancy colours, second only to red, and there is no single reliable source for it; the fine stones that do appear come mostly from small pockets in South America and Africa, and the very best sell for millions at auction. The 5.03-carat Aurora Green set a record at Christie's in 2016 at roughly 16.8 million US dollars.

The honest summary: if you want the colour and impact of a green diamond and you would like your budget to go to the ring rather than to scarcity, lab-grown is the smart choice, which is why almost every accessible green diamond ring today uses a grown stone. If natural rarity itself is the point, a mined green still holds that ground, though it needs an independent origin report to confirm the colour is natural rather than treated. Reia's greens sidestep that ambiguity entirely: they are disclosed as lab-grown from the outset. What protects your spend with us is our Carat Club exchange and buyback, not the open resale market.

How to Choose a Green Diamond Ring

Decide how much colour you want. A soft, minty green for everyday ease, or a deeper, more saturated green for a statement. This is the single biggest style decision.

Pick a shape that suits the colour. Radiant lifts and brightens the green; emerald shows it clean and glassy; oval and pear spread it across a larger face.

Choose your metal for contrast or harmony. White gold makes the green pop; yellow gold gives it that fresh jewel-box warmth; rose gold makes it unexpected.

Choose a setting. A halo maximises size and contrast; a solitaire keeps all eyes on the stone; a toi et moi or cluster design turns it into a story.

Match it to real life. For daily wear, a lower-profile setting with secure prongs protects the stone. For occasion wear, go taller and bolder.

Get the size right. Borrow a ring she already wears, or let our team confirm sizing before anything is made. Most Reia rings can be resized free of charge.

Not sure? Book a design consultation, and we will walk you through it.

When to Give a Green Diamond Ring

Engagements with personality. A green diamond engagement ring is for the couple who do not want the same ring as everyone else, and green's link to growth and renewal makes it a fitting symbol for the start of something. Pair it later with a matching wedding band.

Anniversaries and milestones. Colour is a memorable way to mark a year, a decade, or a personal moment, and green reads as balance and steadiness.

A statement cocktail ring. Worn on the right hand, purely because it makes you happy. See cocktail rings.

A striking alternative to an emerald. If someone loves green, a green diamond gives them that colour with a diamond's hardness and fire, a genuine upgrade in durability and sparkle.

Prefer a different hue? Explore the rest of Chromatique: yellow, blue and pink diamond rings.

Why Choose Reia

Certified, every time. Each lab-grown diamond is IGI- or SDI-certified for cut, colour, clarity, carat, and origin, so you know exactly what is on your finger. 

Independently hallmarked gold. Each ring is BIS-hallmarked 14KT or 18KT gold, purity stamped and third-party verified, not just promised.

Bright white accents. Our EF-colour, VVS-clarity house standard keeps the pavé and halo diamonds crisp and clean against the colour.

Made in our own workshop. Hand-finished by skilled Indian artisans, with an in-house design team for true customisation, and the expertise to work a heat-sensitive coloured diamond correctly.

Ethical by design. Lab-grown diamonds are traceable and conflict-free, with a far smaller footprint than mining.

Carat Club. Members enjoy zero making charges, and through our lifetime exchange and buyback, you can upgrade or restyle later and recover up to 70% of your diamond's value. See Carat Club.

Buy the way you want. Shop online with Cash on Delivery, book a live video viewing to see any piece up close on camera, or book an appointment to see the rings in person.

Lifetime care. Free professional cleaning, prong-tightening, and resizing for the life of your ring.

Custom Green Diamond Rings

If the exact green ring in your head is not on this page, we will make it. With an in-house design team and our own workshop, a custom Reia ring is genuinely bespoke, not a catalogue swap. Choose the depth of green, the diamond shape and carat, the setting, the gold colour and purity, and an engraving inside the band. Bring a Pinterest board, an heirloom to reimagine, or just a feeling.

Start a design consultation or design your own ring online. Sizing and the final design are confirmed with you before anything is crafted. Handcrafting and delivery: we begin production only after your final approval, then hand-finish and deliver your ring, for many custom orders in as little as 7 days, with a lifetime warranty.  

Caring for your green diamond ring

A green diamond needs no special handling in daily life; it is as hard as any diamond, scores a perfect 10 on the Mohs scale, and its colour is stable in normal wear and in sunlight. There is one thing worth knowing, and it is the one piece of advice that matters most with green: the colour is heat-sensitive at the bench. Always tell your jeweller it is a colour-treated green diamond before any repair, resizing, or setting work that involves a torch, so the piece can be worked cool or the stone removed first. This is never a risk while you wear the ring; it only applies to high-heat bench work. At Reia, we know exactly how to handle it, which is one good reason to bring the ring back to us for any future work.

Everything else is the same easy routine as any fine ring:

• Clean it at home every couple of weeks: soak for 20 to 30 minutes in warm water with a drop of mild dish soap, brush gently behind the stone with a soft toothbrush, rinse and pat dry with a lint-free cloth.

• Take it off for the gym, gardening, harsh cleaning chemicals, chlorinated pools, and when applying lotion or perfume.

• Store it separately in a soft pouch so it cannot scratch or be scratched by other jewellery.

• Have the setting checked once or twice a year so the prongs can be re-tightened before a stone ever loosens. At Reia, this is free for the life of the ring.

Shipping, Returns & Buyback

• Secure, insured, free delivery across India, in tamper-evident packaging. See shipping & delivery.

• Cash on Delivery available, so you can pay when your ring arrives.

• Easy returns and exchanges; see the return & exchange policy.

• Lifetime exchange and buyback: upgrade or trade in over time through the buyback programme.

• IGI or SDI certificate and BIS hallmark with every ring, plus a lifetime care warranty. 

Visit a Reia Store

Green is a colour best judged in person, because it shifts more than most with the light around it. You are welcome to try on rings at any of our stores:

• Bengaluru – Jayanagar (Flagship): 11th Main Rd, 4th T Block East, Jayanagar, Bengaluru 560011

• Bengaluru – Dickenson Road (Ring Studio): Shop No. 2, Dickenson Road, Bangalore 560042

• Bengaluru – HSR Layout (Ring Studio): No. 429, First Floor, 27th Main Road, above Mokobara, PWD Quarters, 1st Sector, HSR Layout, Bengaluru 560102, Karnataka

• Coimbatore – R.S. Puram (Flagship): Gee Jay Arcade, E.V. Swamy Rd, R.S. Puram, Coimbatore 641002

• Coimbatore – Cross Cut Road (Ring Studio): Door No. 907, Cross Cut Rd, Gandhipuram, Coimbatore 641012

• Guwahati – Fancy Bazaar: 1st Floor, Bhola Mansion, Hem Baruah Rd, Fancy Bazaar, Guwahati 781001

See all stores and book a visit · Call +91 63605 80124

Frequently Asked Questions

What is a green diamond ring?

It is a ring set with a diamond that has a green body colour rather than being colourless. At Reia, these are lab-grown green diamonds, real diamonds coloured through a controlled, disclosed process, set in BIS-hallmarked gold, usually with bright white accent diamonds framing the green centre.

Are lab-grown green diamonds real diamonds?

Yes. They are pure crystallised carbon, identical in chemistry, hardness and sparkle to mined diamonds, and score a full 10 on the Mohs scale. The only difference is that they are grown in a lab rather than mined. A green lab-grown diamond is not an imitation such as green sapphire, peridot, or cubic zirconia.

What makes a diamond green?

Unlike yellow (nitrogen) or blue (boron), green does not come from an added element. It comes from tiny empty spaces in the crystal called GR1 vacancy centres, created when the diamond is exposed to radiation. These vacancies absorb light from the red end of the spectrum, so the stone reads green. In nature, this happens near radioactive minerals over an immense span of time; in the lab, it is reproduced with a controlled dose of radiation.

Are green diamonds rarer than white diamonds?

In nature, dramatically so. Fewer than one mined diamond in a thousand shows any natural green, and pure, even green, is rarer still, considered second only to red among fancy colours. Growing green diamonds removes that scarcity, which is how a clear, saturated green becomes affordable in a normal ring budget.

How are green diamonds graded?

On colour intensity, not the white D-to-Z scale. The grades run from Faint and Light up through Fancy Light, Fancy, Fancy Intense and Fancy Vivid, to the deepest Fancy Deep. Green is often described with a secondary tone, such as yellowish-green or bluish-green, and trade names like mint, seafoam and olive. Each Reia green diamond is certified, so its exact colour is on the report.

Are green diamond rings good for engagement rings?

Absolutely. They make a distinctive, meaningful engagement ring for someone who does not want the usual white solitaire, and green's link to growth and renewal suits the moment. They are just as hard and durable as any diamond, so they hold up to daily wear.

What gold colour looks best with a green diamond?

All three work. Yellow gold gives a warm, fresh, jewel-box look; white gold gives the most contrast and makes the green look most saturated; rose gold gives an unexpected, vintage feel. It comes down to whether you want harmony or contrast.

Which diamond shapes suit green diamonds best?

Radiant is a favourite because its faceting concentrates and lifts the colour. Emerald shows the green, clean, and glassy; princess gives it a sharp, modern frame; and the pear spreads it across a larger, softer face. This collection currently features radiant, emerald, princess, and pear cuts, with other shapes available to order.

What is the difference between a green diamond and an emerald or peridot?

A green diamond is a diamond: pure carbon, 10 on the Mohs scale, with a diamond's sparkle and durability. Emerald, peridot, tsavorite, and green cubic zirconia are different, softer materials that only share the colour. They can look green, but they are not diamonds and do not wear the same over a lifetime.

Are Reia's green diamonds certified and hallmarked?

Yes. Each lab-grown diamond is IGI- or SDI-certified for cut, colour, clarity, carat, and origin, so the exact green of your centre stone is documented on its report. The white accent diamonds are EF colour and VVS clarity, and every ring is set in independently BIS-hallmarked 14KT or 18KT gold. 

Are green diamonds radioactive or safe to wear?

They are completely safe to wear and are not radioactive. The colour comes from structural changes in the crystal, not from any lasting radioactivity, and green diamonds, natural or lab-grown, are worn every day around the world without any concern.

Does the green colour fade over time?

No, not in normal wear. The colour is stable in daily life and in sunlight. The only thing to avoid is extreme heat, specifically a jeweller's torch during a repair, which is why you should always tell your jeweller the stone is a colour-treated green diamond before any bench work. Worn on the hand, the colour stays put.

Can I customise a green diamond ring?

Fully. Choose the depth of green, the shape, carat, setting, gold colour and purity, and add an engraving, or design something new with our in-house team. We begin production only after your final approval, then hand-finish and deliver your ring for many custom orders in as little as 7 days, with a lifetime warranty. 

Do green diamond rings ship across India, and is Cash on Delivery available?

Yes. Orders ship across India, fully insured and in secure packaging, with Cash on Delivery available so you can pay when your ring arrives.

Can I upgrade or exchange my green diamond ring later?

Yes. Through the Carat Club and lifetime exchange and buyback, you can trade up or restyle over time and recover up to 70% of your buyback value toward the upgrade.

How do I care for a green diamond ring?

Clean it every couple of weeks in warm, soapy water with a soft brush; take it off for sport, chemicals, and lotions; store it separately; and have the setting checked once or twice a year, free for life at Reia. The one thing to remember is to tell any jeweller it is a colour-treated green diamond before high-heat repair work.

Is a green diamond a good alternative to an emerald engagement ring?

For a green-lover, yes. It gives you the same colour with far greater hardness and much more sparkle, and it will stand up to daily wear better than an emerald, which is softer and more prone to chipping.