SuperJeweler Sterling Silver Peridot and Diamond Ring 3/4 cttw 2/3 Carat Cushion Cut Peridot Gemstone Surrounded By Sparkling Diamonds Crafted In Solid Sterling Silver 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. SuperJeweler offers free shipping in the United States, Canada, the United Kingdom, Australia and almost every country.