They say a diamond is a girl’s best friend, and Blue Nile puts that best friend within easy reach. This pioneer of online diamond shopping offers a stunning selection of jewelry, including diamond engagement rings and necklaces and certified diamonds. You can even design your own engagement ring! With Blue Nile, you’ll know you’re getting the best in quality, selection, and value. Now that’s a sparkling promise.

100% Tested

Free Shipping Sitewide

Receive free FedEx ground shipping on any sitewide purchase within the US and 43 other countries.


100% Tested - SALE

Up to 60% off Selected Jewelry

Enjoy up to 60% savings on your purchase of selected jewelry.

$13 SAVED!

Shipping Options & Charges

  • Average Shipping Costs: Free!
  • Ships in 1-5 days. Standard Rates Apply
  • Special locations require additional time.

Coupons That Have Recently Expired:

10% off w/ Visa

save 10% off jewelry purchases when you shop with your visa card and this blue nile promo code. note: offer does not apply to gift certificates, loose diamonds, build your own diamond jewelry™, polishing cloths, cleaning products, or sale merchandise. offer may not be combined with any other offer or discount.

up to 50% off

Holiday Gift Ideas up to 50% off. No code needed.

15% off Wedding Rings

Save 15% on hundreds of wedding ring styles, including diamond eternity, gemstone anniversary, gold, platinum, and contemporary metals. Don't miss out on this once-a-year sale event. Just use this promo code at checkout to save.