From the Maison

3 Carat Emerald Lab Grown Diamond Ring

Roughly three-carat emerald-cut lab-grown diamonds in solid 18K gold — real, IGI-certified, for a fraction of the mined price.

14 PiecesFrom $1,198Free Worldwide Delivery

The Emerald Cut Edit

A 3 carat emerald lab grown diamond ring is an engagement ring set with a roughly three-carat emerald-cut diamond grown in a laboratory rather than mined from the earth.

The Satéur Aurous Gold Destinée Diamond Ring™ leads this edit: a real, IGI-certified lab-grown diamond for a fraction of the mined price. Every ring ships with free delivery, carries a lifetime guarantee, and arrives in the signature Satéur box, ready to present. The emerald cut is a rectangular step cut with long, open facets — instead of crushed sparkle it returns broad flashes of light, the architectural, hall-of-mirrors look that makes a three-carat stone read clean and confident on the hand.

The metal is solid 18K gold, never plating and never a surface finish. Each ring is cast in 18K white gold or 18K yellow gold around an independently IGI-certified centre stone, so the grading on the report is the grading on the hand. Solid gold holds its weight and colour across a lifetime of daily wear — the standard an engagement ring is built to.

A lab-grown diamond is a real diamond — same carbon crystal, same fire, same durability as a mined one, registering a perfect 10 on the Mohs scale. The emerald cut's open table shows colour and clarity more plainly than a brilliant cut does, which is why grade matters here: our emerald centre stones are selected in the D–E colour range with Excellent cut and VS clarity, the specification that keeps those long facets icy-white and eye-clean.

The grid below ranges across emerald-cut lab grown diamond engagement rings near the three-carat mark, in solitaire and accented settings, in white gold and yellow gold, with the rectangular table set to draw the eye down the finger. Whether you want a clean emerald solitaire or a setting framed with smaller diamonds, the three-carat emerald centre stays the focus. The grid below shows every piece.

Explore related lab-grown diamond styles: Round Lab Grown Diamond Engagement Ring, Oval Lab Grown Diamond Engagement Ring, 2 Carat Princess Lab Grown Diamond Ring. For the full range, browse the Lab Grown Diamonds collection, and to compare a certified lab diamond against a mined stone read Lab Grown vs Natural Diamond.

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Questions

3 Carat Emerald Lab Grown Diamond Ring, answered.

What is a 3 carat emerald lab grown diamond ring?+

It is an engagement ring set with a roughly three-carat, emerald-cut lab-grown diamond — a real, IGI-certified diamond created in a lab rather than mined. The emerald cut is a rectangular step cut with long, open facets that return broad flashes of light rather than crushed sparkle, giving a three-carat stone a clean, architectural presence.

Are lab-grown diamonds chemically identical to mined diamonds?+

Yes — a lab-grown diamond is a real diamond with the same carbon crystal structure, the same 10 on the Mohs scale, and the same optical fire as a mined stone. The only difference is origin: one is grown in a controlled lab, the other excavated, which is why the lab-grown version costs a fraction of the mined price.

What colour grade is recommended for an emerald cut diamond?+

Because the emerald cut's open table shows colour more plainly than a brilliant cut, a higher colour grade is worth it. We set D–E colour — near-colourless to colourless — so the long facets read icy-white, paired with VS clarity to keep the open table eye-clean.

How does carat weight affect the appearance of an emerald cut stone?+

The emerald cut spreads its weight across a longer, more visible surface, so a three-carat emerald reads large and elongated on the finger. Heavier carat weight extends those clean facet lines further; the grid steps through sizes so you can match presence to preference.

What certifications should I look for when buying a lab-grown diamond?+

Look for independent IGI certification (International Gemological Institute), which documents the diamond's carat, colour, clarity, and cut. Every centre stone here is IGI-certified, so the grading on the report is exactly what sits on the hand.

How do I care for and clean a lab-grown diamond ring?+

Care is identical to a mined diamond — a periodic clean with warm water, mild soap, and a soft brush keeps the emerald cut's open facets clear and bright. At a perfect 10 on the Mohs scale the stone resists scratching, and the solid 18K gold setting needs only the ordinary care any fine gold ring does.

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