12 designs
Fancy Cognac Diamonds
Cognac diamonds are the deeper, redder end of the brown family — C5 to C7 on the champagne scale — with a rich amber warmth that reads as deliberate rather than off-white.
Cognac stones look their best in yellow or rose gold, and against warmer skin tones. 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. Colour is graded on its own scale for fancy diamonds rather than the D-to-Z scale — our diamond 4Cs guide explains how that works, and our diamond shapes guide shows how each outline carries colour differently. 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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