For most people, buying a diamond is a new experience, but that doesn’t mean it should be overwhelming. Understanding a diamond’s quality characteristics is straightforward and simple.
Blue Nile’s diamond education is designed to answer all your questions. It explains a diamond’s characteristics, how those characteristics influence appearance, and which are more important than others. In just a few minutes you’ll know everything you need to know to find your perfect diamond.
Request a Free Diamond Buying Guide
Build Your Own Ring®
Design the perfect ring with your choice of certified diamonds.
Build Your Own Diamond Pendant®
Create a customized diamond pendant at any price.
Build Your Own Three-Stone Ring®
Select three diamonds from our extensive collection to create your ring.
Build Your Own Earrings®
Build diamond earrings from a pair of perfectly matched certified diamonds.
Recently Purchased Engagement Rings
See engagement rings that other customers have chosen.
How Diamond Shape Affects Price
Learn how a fancy diamond shape can help you maximize the size of your diamond.
Blue Nile Signature Diamonds
Our finest cut. The top 1% of all diamonds in the world.
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.
All Blue Nile diamonds are conflict-free. Learn about our zero tolerance policy on this issue.
Learn about our new lifetime diamond upgrade program.
Contact Blue Nile to compare a competitor’s diamond against one of ours.
View our collection of rare fancy color diamonds.