Sotheby's, New York, October 2001 Lot 224 Emerald and Diamond Ring, late 19th Century. 
Set with an emerald-cut emerald weighing approximately 3.50 carats, frame by small rose-cut diamonds, within an outer border of 14 old-mine diamonds weighing approximately 5.50 carats, mounted in gold, approximately size 5. Accompanied by GRS report no. 2001 - 05111 stating that the emerald is Colombian origin; clarity enhancement:(O) insignificant PROVENANCE Rare jewels and precious Objects from a Gentleman's Estate, Sotheby's Geneva, November 19, 1998, lot 607.
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