Diamond Necklaces

Shop women's diamond necklaces and diamond pendants with diamonds set in platinum, white or yellow gold crafted for brilliance.
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Results: 108 Items
Valentine's Day Shipping Information All items below will be delivered FREE in time for Valentine's Day. See the shipping details.
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Build Your Own Diamond Pendant®

Choose from thousands of certified diamonds to create your own custom diamond pendant.

Diamond Solitaire Pendants

Round and princess diamond solitaire pendants ship same day when ordered by 6PM ET.

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Diamond Necklaces

Look for a diamond necklace with at least near-colorless (I grade color) diamonds that are guaranteed to have no visible imperfections (SI grade clarity). All diamond necklaces at Blue Nile are guaranteed to meet this standard of excellence.


Average Product Rating: star star star star star 4.5 out of 5 (based on 1,089 ratings)

Latest Reviews for Diamond Necklaces

  • star star star star star

    great piece, very versatile, and exceptional value. good quality diamonds and the chain is thin but doesn't grab your hair as others i own. I won't buy my jewelry in Dep. Stores anymore. Thanks

    Karla S., Lakewood Ranch FL - February 2012

  • star star star star star

    She loved it - and she can be picky!

    Anonymous, MISHAWAKA IN - February 2012

  • star star star star star

    I am very satisfied with this pendant, sparkling and colorless. My husband and I went to local stores to shop for the ideal diamond necklace for our 10 year anniversary, but compared with the quality and price to pay, we decided to try BlueNile. It was a wise decision. The cut of the diamond is terrific which enables the diamond to reflect most light back to the eye instead of going through the diamond. I am also very pleased with the service from BlueNile. Shipping was quick and safe. I would highly recommend this necklace to my friends.

    Anonymous, FREMONT CA - January 2012

  • star star star star star Nothing but huge a smile!

    As usual Blue Nile comes through with quality as described. Very happy with all my purchases. Will be back again soon I'm sure.

    Thomas, Dayville CT - January 2012