Diamond Buying Guide

Know What You’re Buying

From how-to guides, to a personal consultation with our experts, we share everything you want to know about your diamond.
Expect Lower Prices

Expect Lower Prices

Don’t pay a premium for a high-quality diamond. We keep our margins low and pass the savings on to you.
Best standards in Jewelry Quality

Always Have the Best

Your standards are high, so ours are higher. Our quality controls are among the toughest in the industry to ensure a lifetime of value.
Forbes
Mashable
Brides
Glamour
About the 4cs of Diamonds

The 4Cs of Diamonds

All you need to know about the 4Cs and how to select your perfect diamond.
Astor by Blue Nile™

Astor by Blue Nile™

Extraordinary sparkle awaits. Discover a diamond guaranteed for uncommon brilliance.
Petite Cathedral Solitaire Engagement Ring in Platinum
Petite Nouveau Six-Prong Solitaire Engagement Ring in Platinum
Blue Nile Studio Royal Halo Diamond Engagement Ring in Platinum (2/3 ct. tw.)
Monique Lhuillier Jardin Diamond Engagement Ring in Platinum (1/4 ct. tw.)