Blue Nile Coupons & Promo Codes

Use the Price Match Guarantee

If you see a comparable diamond at a lower price from a competitor, Blue Nile will match it through their Diamond Price Match Guarantee.

Upgrade Your Diamond

Take advantage of the Blue Nile Diamond Upgrade Program. If you’ve previously purchased a GIA-graded colorless and natural diamond from Blue Nile and want to upgrade it to a new diamond. Blue Nile provides 100% of the original purchase as a credit to a new qualifying diamond.

Join the Blue Nile Credit Program

Apply for a Blue Nile credit card and spread your payments over time. You’ll have no interest charges if you pay off your balance within the promotional period of 6-12 months and a 9.99% APR when you finance over 24 months.

Best Holiday Sales at Blue Nile

• Presidents Day Sales: Blue Nile typically celebrates our nation’s leaders with Presidents Day discounts of up to 40% off select rings, earrings, necklaces, and bracelets.
• Valentine's Day Sales: Love is in the air during Blue Nile’s Valentine’s Day deals, featuring special discounts of up to 50% off select romantic pieces, like princess cut or oval-classic round diamond earrings and engagement rings.
• Memorial Day Sales: Start the summer with Blue Nile's Memorial Day sale featuring savings of up to 20% on select jewelry and gifts, including bracelets, earrings, and wedding party gifts.
• Mother's Day Sales: Gift your mom something special. Blue Nile often offers Mother’s Day discounts of up to 50% on birthstone and custom earrings.
• Fourth of July Sales: Celebrate money-saving Fourth of July discounts from Blue Nile. Save up to 40% on select necklaces, rings, earrings, and bracelets.
• Black Friday Sales: Previous Blue Nile Black Friday sales have offered 50% off select jewelry styles, including gemstone and diamond stud earrings and engagement ring settings.
• Cyber Monday Sales: Watch for a Cyber Week promo code from Blue Nile to save up to 50% off select jewelry, including their timeless tennis bracelets.
• Christmas Sales: Blue Nile's Christmas sale happens in mid-December, helping you save up to 50% on jewelry gifts, like stud earrings, tennis bracelets, and diamond pendants.

1. Add your favorite jewelry to your Blue Nile cart.
2. Under your order summary, click on “Promo Code."
3. Enter your code in the empty box, then click “Apply."
4. Continue checking out.