925 Sterling Silver Stackable Rings with Genuine Turquoise & Gemstones Sizes 5 to 11 Stackable Rings in Solid 925 Sterling Silver Choose from 6 different GENUINE Gemstones Genuine Turquoise (Blue, Purple, or Green), Spiny Oyster Shell (Red or Orange), Black Shell Price is for ONE ring Turquoise Network: Fine Jewelry at UNBELIEVABLE low prices!