4 designs
Octagonal Lab-grown Diamonds
The octagonal cut is an eight-sided shape whose broad cropped corners give it a softer, more symmetrical outline than an asscher while keeping the same clean geometry.
It is a less common outline, so expect availability to be limited rather than continuous. 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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