A mesmerizing 18.25 carat golden black star sapphire, cut in a smooth oval cabochon. Exhibiting a sharp 6-ray asterism across its smoky, metallic surface, this gem radiates mystique and elegance. A powerful choice for collectors seeking rare natural optical phenomena.
Fully certified for authenticity and quality, comes with a sensory experience that you won't forget. Don't miss your chance to own this stunning piece of earth wonder.
Star Sapphire 6 Rays Golden Black Oval Cabochon 18.25 CT | 6 Ray Asterim
GEM STATS CHEMICAL FORMULA Aluminium oxide, Al2O3 COLOR Gold, Black WEIGHT
18.25 Ct SHAPE AND CUT Cabochon REFRACTIVE INDEX nω = 1.768–1.772
nε = 1.760–1.763GRADE Minor Impurity Mohs scale 9 LUSTRE Vitreous TRANSPARENCY Opaque ORIGIN Thailand TREATMENT Natural
























