Beyond price, variety, and expertise, there are additional services and guarantees you should expect from a jeweller when making a purchase this important:
Diamond Certificate: The finest diamonds come accompanied by a diamond certificate (also called a diamond grading report) from an unbiased third-party. This diamond grading report is your only guarantee of the quality of your diamond's cut. All loose diamonds at Blue Nile come accompanied by a diamond grading report from either the AGSL or GIA, the most respected diamond grading labs. More