Garnet Stone 18Kt Yellow Gold Measuring: 2.5 x 2.5 x 2 mm Genuine Garnet gemstone (Sourced from suppliers who follow conflict-free practices!) January birthstone: thought to bring good luck, good health and protection for those born in January! 18Kt gold prong setting Stainless steel pin ASTM-F138 compliant Threadless Non-Sterile Fits a Threadless post from all APP approved jewellery vendors (USA) Vendor: Neometal