20.8 cts "RARE" Untreated Natural Bicolored Sapphire - Rough- 4.16 g #bicolored #color zoning #corundum #mineral specimen #natural gemstone #rare gem #rough sapphire #sapphire #unheated sapphire #untreated
24.4 cts "RARE" Untreated Natural Rose Sapphire - Rough- 4.88 g #corundum #gem collectors #Jewelry #natural crystal #Pink gemstone #precious stone #rose sapphire #rough sapphire #untreated
