Sotheby's, Hong Kong, April 2001 Lot 177 Fine Unmounted Emerald. Emerald-Cut Colombian Emerald 15.40 cts. 
The unmounted emerald-cut emerald weighing approximately 15.40 carats. Accompanied by GRS report No. GRS2001-01373 stating that the emerald is of Colombian origin and there is minor clarity enhancement detected.
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