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Diamonds>Astor Diamonds
woman wearing maroon blouse, diamond stud earrings and diamond pendant necklace

EXCLUSIVELY AT BLUE NILE

A Distinct, Dynamic Brilliance
An exceptional tribute to life’s greatest moments and bonds, the beauty of an Astor™ diamond speaks for itself.
Shop Now

Undeniable, glamorous and exclusively ours, until it’s yours forever.

The Ultimate Love Letter

An Astor diamond engagement ring is simply peerless. Celebrate your love with our benchmark for brilliance.
Design your own ring

A Celebration of Light

Showcase this rare beauty with a set of custom studs, designed with an Astor diamond at the centre.
design your own earrings

Your Perfect Piece

An Astor diamond is meant to be worn. Add our signature diamond to your pendant and create something undeniably beautiful.
design your own pendant

Incredible beauty comes in different shapes and sizes.

  • ROUND

  • PRINCESS

  • HEART

  • OVAL

  • RADIANT

  • CUSHION

Independent Dual Grading

Every diamond in The Astor Collection™ is graded for triple excellence in its cut, symmetry and polish by industry experts, including GIA, GCAL, and GemEx.
ABOUT GIA
About GCAL & GemEX

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