277 designs
Round Lab-Grown Diamonds
The round brilliant is the most researched shape in the world: 57 or 58 facets arranged over more than a century of optical refinement to return as much light to the eye as physically possible. It is the benchmark every other shape is measured against, and the one shape where cut grade is graded in full.
Because round stones are cut from the widest part of the rough, they carry a premium per carat — but they also hide colour and inclusions more forgivingly than any step cut. Lab-grown diamonds are chemically, physically and optically identical to mined stones, certified to the same standards and typically 60-80% less per carat. Our lab-grown diamond guide covers the detail. Compare it with every other outline in our diamond shapes guide, and get to grips with what actually drives price in our diamond 4Cs guide. Every stone is independently certified, priced transparently, and can be set into any ring in our collection or into a design of your own.
