4.96ct GIA certificate Natural burma sapphire unheated cabochon gemstone Wbgem SA40

A captivating testament to classical Burmese provenance, this 4.96-carat Natural Unheated Blue Sapphire Cabochon showcases an alluring, saturated royal-to-vivid blue hue. Cut into a smooth, high-luster cushion cabochon, this rare gem exhibits the rich, velvety depth and internal glow characteristic of the world's most coveted mines in Burma (Myanmar). Completely untreated and free from thermal enhancement, this exceptional collector's gem is accompanied by a premier identification report from the Gemological Institute of America (GIA) confirming its natural origin and unheated status. Its striking dome and elongated silhouette make it an extraordinary centerpiece for a high-jewelry statement ring, pendant, or bespoke signet. Gemstone Specifications Species Natural Corundum Variety Natural Blue Sapphire Carat Weight 4.96 ct Color Vibrant Royal Blue Clarity Slight VVS (Minor natural rutile silk visible under magnification) Shape & Cutting Style Cushion / Rectangular Cabochon Enhancement / Treatment No Indications of Heating (Unheated / Untreated) Geographic Origin Burma (Myanmar) Laboratory Report GIA (Gemological Institute of America) Why Invest in Unheated Burmese Sapphires? Burmese sapphires of substantial size and unheated purity represent fewer than 1% of the world’s gem-quality corundum market. Untreated stones exhibiting this degree of saturation and luster are prized by connoisseurs, retaining enduring value and legacy appeal. Bespoke Mounting & Design Services This gemstone is available as a loose collector's specimen or can be set into an exclusive custom fine jewelry commission. Contact our master jeweler to craft a bespoke 18K gold or platinum setting tailored to your personal aesthetic.