Loose Diamonds: Buy Certified Diamonds Online | Blue Nile
We invite you to browse our large selection of certified loose diamonds for sale in many shapes and sizes. To purchase any of our loose diamonds, simply select the diamond you’d like and complete the checkout process.
Diamond Search: Find Diamonds by Shape, Size, Quality, and Price | Blue ...
Use our diamond search feature to find IGI and GIA-graded conflict-free loose diamonds for engagement rings, jewelry and more. Browse thousands of options and use the filters to narrow down the selection by carat, cut, color, clarity, shape, and price.
Lab-Grown Diamond Search: Shop Lab-Grown Diamonds by Shape, Size ...
Shop loose lab-grown diamonds for sale to find the right fit for engagement rings and fine jewelry. Browse by price, carat, cut, color, shape, and more.
Blue Nile: Diamond Jewelers – Engagement, Wedding Rings & Fine Jewelry
Blue Nile is the world's leading diamond jeweler online for engagement and wedding rings. Expect lower markups and higher quality fine jewelry. Free Shipping and Free Returns.
2 Carat Diamonds - Blue Nile
A 2 carat lab made diamond will have a lower price than a natural diamond of the same carat weight. We offer a wide selection of loose diamonds, perfect for 2 carat diamond rings, at a variety of price points for many different budgets.
Round Cut Diamonds - Blue Nile
Use our diamond search to find your perfect round cut diamond. Our most popular diamond shape, round diamonds are a classic that will never go out of style.
3 Carat Diamonds - Blue Nile
Simply browse our selection of loose three carat diamonds, select your diamond and select your ring setting. Our experts will handcraft a stunning 3 CT ring with the exact diamond and designs you’re looking for.
1 Carat Diamonds for Sale | Blue Nile
Browse our wide selection of IGI and GIA certified 1 carat loose diamonds in popular shapes such as round, princess, cushion, oval, emerald, pear, Asscher, heart, radiant, and marquise.
4Cs of Diamonds & Diamond Buying Guide | Blue Nile
The 4Cs of our loose diamonds are evaluated based on a standardized grading scale. Each certified diamond is accompanied by a grading report from either GIA, AGSL, IGI, or GemEx.
Pear Shaped Diamonds - Blue Nile
Choose a pear-shaped diamond for a distinctive and brilliant look. Also called teardrop diamonds, pear diamonds are cut to reflect light and make a statement.
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