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细节
SAPPHIRE AND DIAMOND RING
Cushion-shaped sapphire of 8.43 carats, circular-cut diamonds, ring size Q
Gem & Pearl Laboratory, 2018, report no.16336: Sri Lanka, no evidence of heat treatment
Cushion-shaped sapphire of 8.43 carats, circular-cut diamonds, ring size Q
Gem & Pearl Laboratory, 2018, report no.16336: Sri Lanka, no evidence of heat treatment
荣誉呈献
Keith Penton