As the leading online diamond retailer, Blue Nile offers the largest collection of the world's finest cut diamonds. Pre-selected for exceptional quality, the cut, color, and clarity of Blue Nile loose diamonds are evaluated based on a standardized grading scale. Also, each loose diamond is accompanied by a grading report from either GIA or AGSL, independent diamond grading labs with the most stringent grading scales of all labs. [ Source: www.bluenile.com ]

Blue Nile quality standards are among the highest of all jewelers. At Blue Nile, shopping is risk-free because you've come directly to the finest loose diamonds and jewelry available. Blue Nile use only the finest materials to create jewelry with exceptional craftsmanship.