From the Maison

1 Carat Lab Grown Diamond Rings

Real, IGI-certified 1 carat lab grown diamonds in solid 18K gold — a true diamond for a fraction of the mined price.

20 PiecesFrom $998Free Worldwide Delivery

The 1 Carat Lab Diamond Edit

A 1 carat lab grown diamond ring is a ring set with a one-carat laboratory-grown diamond — a real diamond, chemically and optically identical to a mined diamond, independently graded and IGI-certified.

At Satéur, the 1 carat lab grown diamond ring is anchored by the Satéur Destinée Diamond Ring™, 18K White Gold, Round Cut and its warm-toned Aurous Gold counterpart — the most recognisable Satéur silhouette, now in a certified one-carat lab-grown diamond. Every stone is a real, IGI-certified lab-grown diamond delivered for roughly a fraction of the mined-diamond price, with free worldwide delivery, a lifetime guarantee, and the signature Satéur box.

A 1 carat lab grown diamond is a real diamond grown above ground rather than extracted from the earth — there is no optical, physical, or chemical difference. Each one-carat centre stone arrives with an IGI certificate confirming its grade, set in solid 18K gold: 18K white gold for the brightest, most accurate diamond presentation, and warm 18K yellow gold across the warm-toned editions.

Quality is held to mined-diamond grading. Satéur's one-carat lab grown diamonds are cut to D–E colour, Excellent cut, and VS clarity — eye-clean, near-colourless, and cut for maximum light return and brilliance. As a real diamond, the stone rates Mohs 10, the hardest material on the scale, making a 1 carat ring built for daily engagement-ring wear and backed by a lifetime guarantee.

At one carat the diamond reads generously on the hand, and cut quality matters as much as carat weight — an Excellent round cut maximises face-up size and sparkle. The collection runs solitaire, pavé, three-stone and eternity settings in solid 18K white and yellow gold, built on the classic round brilliant engagement ring shape — covering the most-searched carat, cut, setting, and price considerations in one 1 carat lab grown diamond range. The grid below shows every piece.

Explore related lab-grown diamond styles: 3 Carat Lab Grown Diamond Ring, 5 Carat Lab Grown Diamond Ring, 1 Carat Emerald 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

1 Carat Lab Grown Diamond Rings, answered.

What is a 1 carat lab grown diamond ring?+

A 1 carat lab grown diamond ring is a ring set with a one-carat laboratory-grown diamond — a real diamond, chemically and optically identical to a mined diamond, independently IGI-certified. At Satéur it is set in solid 18K gold, graded D–E colour with an Excellent cut, and delivered for a fraction of the mined-diamond price.

How big does a 1 carat lab grown diamond look?+

A 1 carat round brilliant lab grown diamond measures roughly 6.4–6.5mm across and reads generously on the hand. Cut quality matters as much as carat weight — Satéur's Excellent cut maximises the face-up size and light return, so a one-carat stone looks its full size and sparkles brightly.

What is the difference between a 1 carat lab grown and mined diamond?+

There is no optical, physical, or chemical difference — a lab grown diamond is a real diamond with the same carbon crystal structure, the same Mohs 10 hardness, and the same IGI grading process. It is simply grown above ground rather than mined, which typically reduces the price by a fraction of the comparable mined stone.

Which shape looks largest at 1 carat?+

Elongated cuts such as oval and marquise carry more visible surface area at one carat, while the round brilliant — the cut Satéur's 1 carat collection is built on — delivers the most light return and the classic diamond silhouette. An Excellent cut grade ensures the stone looks its full size face-up.

How much does a certified 1 carat lab grown diamond cost?+

Certified 1 carat lab grown diamonds typically cost a fraction of a comparable mined diamond — often 30–50% less than mined stones of the same grade and certification. Satéur prices its IGI-certified one-carat rings to deliver a real diamond at a fraction of the traditional mined price.

Is a 1 carat diamond suitable for an engagement ring?+

Yes. One carat is the most popular weight for engagement rings, and a real lab grown diamond rates Mohs 10 — the highest hardness on the scale — making it ideal for everyday wear. Each Satéur stone is IGI-certified to D–E colour and Excellent cut and backed by a lifetime guarantee.

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