27 designs

Half Moon Natural Diamonds

The half moon is a side stone shape: one straight edge, one curved, brilliant-faceted, made to sit flush against a centre stone. Paired symmetrically they frame a solitaire without competing with it.

Half moons are almost always bought as a matched pair, so matching for colour and depth matters more than the individual certificate. These are natural stones, formed over billions of years and mined under traceable, conflict-free supply chains. Read what makes a diamond ethical before you choose. 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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