The Arch Ring 2 is crafted from 14 karat yellow gold and is set with Green Tourmaline..Handcrafted by master goldsmiths,the visible gold surface is hand-satinised.The craftsman puts each piece together with precision. Part of the Arch Collection. Please note: As gemstones are natural materials, each stone is absolutely unique. They will vary in colour and have individual, unique inclusions and features. Web-images of stones are only representatives of the unique stone you will receive when ordering the product, not the exact stone.