Christie's, Geneva, May 2005 Lot 343 An Emerald and Diamond Ring 
The rectangular-cut emerald weighing 14.63 carats to the triangular diamond shoulders, mounted in platinum and 18k yellow gold, ring size 6.
With report no. GRS2000-12260 dated 19 December 2000 from the GRS GemResearch Swisslab, stating that the emerald is of Colombian origin, no indication of clarity enhancement
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