Loose Diamonds: Buy Certified Diamonds Online - Blue Nile
Discover Blue Nile’s impressive selection of certified, conflict-free diamonds. Create the diamond jewelry of your dreams with Blue Nile loose diamonds.
Diamond Search: Find Diamonds by Shape, Size, Quality, and Price …
Use our diamond search feature to find IGI and GIA-graded, conflict-free loose diamonds of the highest quality. Browse thousands of options and use the filters to narrow down the selection by carat, cut, color, clarity, shape, and price.
Colored Diamonds - Yellow, Pink, Blue, & More - Blue Nile
Find truly unique naturally colored diamonds from Blue Nile. Shop for yellow or canary diamonds, pink diamonds, blue diamonds, and more for a look that is one of a kind.
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.
Lab Grown Diamonds - Blue Nile
We offer a wide selection of loose lab created diamonds for sale, with IGI and GIA reporting to help you choose the best fit. Our lab diamonds are available in shapes such as round, princess, emerald, Asscher, cushion, marquise, radiant, oval, pear and heart.
Blue Nile: Diamond Jewelers – Engagement, Wedding Rings
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.
4Cs of Diamonds & Diamond Buying Guide | Blue Nile
Use the Blue Nile diamond guide to understand all the components of a great diamond including the 4Cs, shape, certifications and other options. Learn how to buy a diamond here.
Shop Blue Diamonds - Blue Nile
We offer loose blue diamonds for sale in a variety of shapes, cuts and sizes. Some of our most popular shapes include round, marquise, radiant and cushion.
Emerald-Cut Diamonds - Blue Nile
Emerald cut diamonds have long rectangular facets, helping them make a sophisticated statement in any piece of jewelry. Shop loose emerald diamonds for engagement rings and other styles.
Fancy Colored Diamonds - Blue Nile
Find fancy colored diamonds in a variety of hues, cuts, carats and shapes. Choose a natural or lab made diamond on its own or add your graded gem to a signature piece of Blue Nile jewelry.