A HIGHLY IMPORTANT SINGLE-STONE SUGARLOAF CABOCHON SAPPHIRE RING, BY GRAFF Set with a sugarloaf cabochon sapphire weighing 31.25 carats to the triangular-cut diamond shoulders and platinum hoop, in a Graff blue leather fitted case Signed Graff With certificate 9809072 dated 25/9/1998 from the Gbelin Gemmological Laboratory stating that the sapphire is of Burmese origin and shows no indications of thermal enhancement. Sapphires which have not been enhanced by heat are scarce. 31.25 carats
A HIGHLY IMPORTANT SINGLE-STONE SUGARLOAF CABOCHON SAPPHIRE RING, BY GRAFF Set with a sugarloaf cabochon sapphire weighing 31.25 carats to the triangular-cut diamond shoulders and platinum hoop, in a Graff blue leather fitted case Signed Graff With certificate 9809072 dated 25/9/1998 from the Gbelin Gemmological Laboratory stating that the sapphire is of Burmese origin and shows no indications of thermal enhancement. Sapphires which have not been enhanced by heat are scarce. 31.25 carats
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.jpg "Quelle: Christie's")
.jpg "Quelle: Christie's")
