4 designs

Octagonal Cut 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. You can compare natural and lab-grown stones side by side here — chemically and optically identical, differing only in origin and price. Our lab-grown diamond guide explains how the two compare. 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.

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