Simple Hand Knotted Oval Shaped Turquoise Necklace, 18 Inches Smooth And Comfortable To Wear Beautifully Crafted, Hand Knotted Turquoise has been worn in jewelry for 3000 years and gem quality turquoise is rare. SuperJeweler sells reconstituted turquoise, wherein fragments of fine turquoise material that are too small to be used individually, are powdered and then bonded to form a solid mass. Reconstituted turquoise is beautiful and safe to wear. 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.