Trilliant Lab-grown Diamonds

The trilliant is a triangular brilliant with either straight or gently curved sides, cut shallow so it spreads wide and throws a lot of light for its weight. Popular as a side stone, striking as a centre.

Trilliants are usually bought in matched pairs when used as side stones, and matched to the centre for colour. 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. All our stones carry independent laboratory certification and transparent pricing, and our London team will talk you through any of them with no obligation.

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