Huge 4.23ct bi-color Sapphire cabochon

Holy cow, look at this once in a lifetime sapphire! As unique as a fingerprint, this gem features rich color saturation with a velvety cornflower blue hue that swirls into a beautiful bright white. It has an amazing glistening luster, and measures an impressive 13.3mm x 8.0mm x 4.2mm. Sourced from Ceylon, Sri Lanka. Unheated!