Green Onyx Necklace Set - Round Circle Disc gemstones matching SET of earrings AND necklace. Gemstones: Genuine Green Onyx Bezel: Vermeil Gold (14k Gold over Sterling Silver) Necklace: Length: Available in 18, 20 and 24 inches (choose length from drop down menu) Pendant: 20mm diameter Chain: 14k Gold Filled Earrings: Total length of Earrings: 35mm (round disc+ear-wire) Small disc gemstone: 12mm diameter Ear-wires: 14K Gold Filled Ear-wires: 25mm x 17mm