1/2ct Round Diamond Stud Earrings in 14k White Gold with Martini Setting 1/2 Carat Total Diamond Weight Earrings Have Secure Friction Backs and Unique Martini Setting Crafted In Solid 14 Karat White Gold All purchases from SuperJeweler come with The SuperJeweler Lifetime Guarantee. Your SuperJeweler jewelry purchase includes a lifetime guarantee against the loss of side stones or damage to the jewelry's setting or center stone. It also includes a one-year replacement guarantee against the loss of your jewelry's center stone. SuperJeweler offers free shipping in the United States, Canada, the United Kingdom, Australia and almost every country.