Sitewide
Up to $100 OFF
You can receive up to $100 off your first order when you refer a friend to blue nile. Check the offer terms to see how much you can save.
Est. ~$100 on $300
blue nile promotional codes, October 2026
4 working codes · 45% average savings
blue nile coupon codes
Deal
15% OFF
Students can get a 15% discount on regularly priced jewelry at blue nile. Free shipping is also included with this promotion.
Est. ~$45 on $300
Deal
$180 OFF
At blue nile, engagement rings are available from $180. Confirm availability and pricing before making a purchase.
Est. ~$180 on $300
Free Product
OFFER
Blue Nile offers free boxes and gift cards when you make qualifying purchases. Confirm eligibility by checking the offer details.