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  • Diamond Rings

    Diamonds

    We offer GIA-graded loose diamonds, including our rare Astor by Blue Nile™ diamonds, cut for brilliance.
    Diamonds have been our passion since 1999. We offer 100,000+ high-quality, GIA-graded loose diamonds at the best value, and the tools to shop confidently.

    And now offering Astor by Blue Nile™ diamonds that are exceptionally rare and specifically cut to maximize light reflection.
    SELECT YOUR ASTOR BY BLUE NILE™ DIAMONDSELECT YOUR ASTOR DIAMOND

Build Your Own Ring®

 Build Your Own Ring®

Create the ring of her dreams from our large selection of GIA-graded loose diamonds.

Build Your Own Diamond Pendant®

 Build Your Own Diamond Pendant®

Choose a loose diamond for a solitaire pendant and create a piece of jewelry to wear forever.

Build Your Own Three-Stone Ring®

 Build Your Own Three-Stone Ring®

Pick three diamonds that represent your past, present, and future. They’re all brilliant.

Build Your Own Earrings®

 Build Your Own Earrings®

Take two loose diamonds, add the setting of your choice, and receive a brilliantly matched pair.

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Diamond Education

Four Tips for the 4Cs

Education is empowerment and buying a diamond is a moment in life when you should be as informed as possible.

How To Buy An Engagement Ring

10 Ways We Make Diamond Buying Easy

It’s absolutely possible to get the best quality diamond for the best price. We’ll show you how.

Astor by Blue Nile™

Astor by Blue Nile™

Cut for brilliance and exceptionally rare, only 1 in 1,000 diamonds qualify as an Astor by Blue Nile™ diamond. Learn More.

Diamond Shape

What Your Diamond Shape Says About You

We sell nine fancy diamond shapes. Which one shines brightest to your eyes?