Opal is one of the most exuberant forms of Opal.As a result, the price of a White Opal Ring can vary depending on body tone, color, thickness, brilliance, and the pattern that sparks beneath the surface. October birthstone is a unique gem for arousing light and spontaneity. People working on creative projects should wear Opal gemstone trinkets. Opal crystal is a bringer of luxury, fortune, and luck.