Light Crystal opal gemstone exhibiting a predominantly blue and green play-of-color. The opal is cut in a cushion shape, characterized by its rounded corners and larger facets that enhance light reflection. The cutting style is mixed, combining both brilliant and step cuts to optimize brilliance and depth. The transparency of the gemstone is classified as transparent, allowing for clear visibility of internal features. The polish is rated as excellent, providing a smooth surface that enhances light interaction. The clarity is assessed as good, with minor inclusions that do not significantly detract from the overall appearance. The color grade is classified as blue-green (bg) with vibrant flashes of yellow and green, indicative of a high-quality Black opal. The symmetry of the cut is very good, contributing to the overall aesthetic appeal of the gemstone. The composition is primarily silica with water content, typical of opal, and it exhibits a unique characteristic of opalescence, which is the shifting of colors when viewed from different angles.