Offer valid only on select regularly priced jewellery purchases on the following page: http://www.bluenile.com/platinum-event/all while supplies last. Cannot be combined with any other offer or discount code, cannot be applied retroactively. Discount will appear at time of check out AFTER the promotion code PLATINUM18 has been entered and does not apply towards any duties, taxes or shipping insurance fees. Void where prohibited. Offer expires at 11:59 PM PST on May 30, 2018. The offer terms and conditions are subject to change at any time without prior notice. Other restrictions may apply. Diamond eternity rings cannot be resized. We are happy to exchange your ring for another size within 30 days of purchase. Should you opt for an exchange, your new ring may contain fewer or more diamonds, or a reduction or increase in precious metal weight which may cause an increase or decrease in the price. The promotion remains applicable to the size change within 30 days of purchase.