Diamond Necklaces

Keep it classic with a diamond solitaire pendant or go bold with an extraordinary diamond eternity necklace. Whatever you chose a diamond necklace is forever chic and sparkling.

Shop All Diamond Necklaces

Keep it classic with a diamond solitaire pendant or go bold with an extraordinary diamond eternity necklace. Whatever you chose a diamond necklace is forever chic and sparkling.

Shop Diamond Necklaces by Style

Build Your Own Diamond Pendant®

A diamond being set into a solitaire pendant setting.

Build Your Own Diamond Pendant®

Blue Nile makes it easy to create your own diamond necklace.

Start With Your Setting Start With Your Diamond

A collection of Lightbox lab-grown diamond jewellery with white, blue and pink stones

Introducing Lightbox Lab-Grown Diamond Jewellery

The Lightbox jewellery collection features lab-grown diamonds that are among the world's finest, made with amazing quality and style. Every stone is produced with a guarantee of VS clarity and a cut grade of Very Good. This exclusive Lightbox assortment includes stunning colour options that are extremely rare in nature.

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