14K White Gold 3 Stone Blue and White Diamond Ring (1/2 CT) 30 Day Easy Returns. Jewelry Gift Box Included 14K White Gold Natural diamonds are treated by irradiation to produce a variety of fancy colors including hues of blue. This process is permanent and does not alter any other property of the diamond except the color. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!