Can I buy a cushion engagement ring here?

You can buy the center diamond. The mounting is made or supplied by a jeweler. That is how these listings stay tied to one certified stone.

Lab-grown or natural cushion?

Both are on this page until you filter type. Lab-grown costs less at the same grades. Natural is the mined stone.

Cushion center diamonds

Cushion diamonds have soft corners and large facets. They read as vintage even in a simple setting. This page is the center stone for a cushion engagement ring, not a finished ring.

SelectedCUSHIONHas photo

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Some cushions look chunky and some look crisp. Use the photo: a crushed-ice cushion sparkles smaller, a chunky cushion shows bigger flashes. After you choose the diamond, a jeweler sets it. Carat Mate ships the certified loose stone and its lab report.

Carat Mate lists certified loose diamonds for shoppers in the United States, Canada, the UAE, London, and Australia. Prices are in USD everywhere. We ship to the United States, Canada, the UAE, London, and Australia.

Questions

Can I buy a cushion engagement ring here?: You can buy the center diamond. The mounting is made or supplied by a jeweler. That is how these listings stay tied to one certified stone.
Lab-grown or natural cushion?: Both are on this page until you filter type. Lab-grown costs less at the same grades. Natural is the mined stone.