This ring is handcrafted in sterling silver with 14k gold accents and features a triangle shaped boulder opal cabochon from Queensland, Australia. The natural boulder opal is brown with a patch of blue opal that has a sparkly flash in bright lighting. It is bezel set on a half round band with inset 14k gold granule accents. SIZE & LENGTH: While this ring is only available in size 6.5 at this time, I may have other stones like this in stock. Please don't hesitate to reach out! The moss agate measures 14 x 8 mm and the band is approximately 3 mm wide.