1ct Peridot Cross Pendant in Sterling Silver With 18 Inch Necklace Crafted In Solid Sterling Silver Crafted In Solid Sterling Silver SuperJeweler offers free shipping in the United States, Canada, the United Kingdom, Australia and almost every country. 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. Peridot is a member of the forsterite-fayalite mineral series. There are no know enhancements of peridot to improve its color or clarity. SuperJeweler sells natural, untreated peridot.