11 novembre 2012
Important emerald and diamond ring - Sotheby's
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Important emerald and diamond ring - Photo Sotheby's Claw-set with a step-cut emerald, between pear-shaped diamond shoulders, size 60, sizing band, numbered, French assay marks. Estimation: 470,000 - 745,000 CHF Accompanied by Gübelin report no. 12100101,...