Search for diamonds across many online retailers!
Retailer Ratings
If you are a diamond retailer and would like to be featured here, please submit this form.
Rare Carat
Rare Carat is a direct-to-consumer diamond retailer with a "managed marketplace" model — you buy directly from Rare Carat, backed by a team of GIA-trained gemologists who source and vet each stone from a network of suppliers.
Ratings and Reviews
James Allen
James Allen pioneered real-time 360° HD video imaging, letting shoppers inspect the exact diamond they're buying before checkout. As of 2026, James Allen's inventory is being folded into Blue Nile as a collection, since both are owned by parent company Signet Jewelers.
Ratings and Reviews
Ritani
Ritani pairs online diamond shopping with a free In-Store Preview program — a selected diamond or ring ships to a local partner jeweler so you can try it on in person before completing the purchase.
Ratings and Reviews
Blue Nile
One of the first retailers to sell diamonds online, Blue Nile is now owned by Signet Jewelers and offers a broad, curated inventory of certified natural and lab-grown diamonds — including the James Allen collection.
Ratings and Reviews
Brilliance
Brilliance.com has been in the diamond business for over three decades, with stones hand-picked by gemologists and jewelry manufactured in the United States.
Ratings and Reviews
Brilliant Earth
Brilliant Earth specializes in ethically sourced diamonds, offering both natural and lab-grown stones with a strong emphasis on sustainability and traceable sourcing.
Ratings and Reviews
Loose Grown Diamond
Loose Grown Diamond focuses exclusively on lab-grown diamonds, working directly with manufacturers to offer certified stones and fine jewelry at manufacturer-direct prices.
Ratings and Reviews