0800 358 1981
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Diamonds, Engagement Rings and Fine Jewellery

Blue Nile Signature Collection

Our Finest Cut           Every diamond in the Blue Nile Signature Collection is hand-selected and cut to the most exacting standards — guaranteeing a more brilliant diamond than any other Ideal cut. Custom made exclusively for Blue Nile, the Blue Nile Signature Collection includes the world's most brilliant round diamond, as well as the world's first and only princess, emerald, and Asscher diamonds cut to our finest ideal standards.


Blue Nile Signature Round Diamonds

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Blue Nile Signature Princess-Cut Diamonds

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Blue Nile Signature Emerald-Cut Diamonds

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Blue Nile Signature Asscher-Cut Diamonds

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How Cut Makes the Signature Difference

How Cut Makes the Signature Difference   Precise proportions maximize brilliance, and make Blue Nile Signature Collection diamonds the finest of all ideal-cut diamonds.
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Signature Laser Inscriptions

Because the outstanding quality of these diamonds is so rare each one has a laser inscription, legible only at 50x magnification and guaranteed not to affect brilliance.
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All prices are GBP and do not include VAT.
Why Blue Nile?
Largest Online Retailer of Certified Diamonds
Most Custom Jewellery Dispatched in 5-7 Days
Award-Winning Customer Service Available 7 Days a Week
UK: 0800 358 1981
Ireland: 1800 944 544
Other EU: +353 1 487 7850
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UK: 0800 358 1981
Ireland: 1800 944 544
Other EU: +353 1 487 7850
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