This ring has it all. A design of superior craftsmanship boasts six panels of AAA opal inlay, two trillion cut tanzanite stones totaling .82 carats in a bezel setting, and twelve round diamonds in two channel set rows! Soft curves, vibrant color..all set in 14k yellow gold, this ring will truely be the cornerstone of your collection! One of the five original Precious Gems , Opal is the October birthstone and has long been considered the most diverse of all gems.