Contemporary design green Tourmaline cabochon bezel set ring Metal: 18k yellow gold Gemstone measures: oval cabochon green Tourmaline measures 18.50 cm x 22 cm x 9 mm; approximately 45 ct. t.w. Rhodium: No Ring cannot be re-sized All carat weights are approximate Almost all gemstones have been treated to enhance color and clarity and require special care. All Lo Spazio Jewelry has been custom designed and handcrafted in California, USA