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細節
ART DÉCO SAPPHIRE AND DIAMOND BRACELET
Cushion shaped sapphire, old, single and circular-cut diamonds, circa 1920, 17.5 cm
Gem & Pearl Laboratory, 2019, report no. 17837: no evidence of heat treatment
Cushion shaped sapphire, old, single and circular-cut diamonds, circa 1920, 17.5 cm
Gem & Pearl Laboratory, 2019, report no. 17837: no evidence of heat treatment
榮譽呈獻
Keith Penton