Blue Nile invites you to instantly compare, shop, and purchase worldwide. Use our iPhone app or our Mobile Website on your Android or iPhone to Build Your Own Ring® and search more than 100,000 diamonds.
Our experts will help you choose an engagement ring setting she'll love, and decide on the right combination of diamond size and quality, so you're sure to choose the perfect ring.LEARN MORE
Shape refers to the overall outline of the diamond when viewed from the top.
Learn how to find a diamond with the right colour for your setting and budget.
The cut of a diamond determines its brilliance, dimensions, and finish.
Clarity is graded based on the number, location, size, and type of inclusions.