Sapphire J-Hoop Earrings Set in Sterling Silver Gemstone : Color/Clarity: Mounting: .925 Sterling 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. It also includes a one-year replacement guarantee against the loss of your jewelry's center stone.