6 juin 2016
Natural blister pearl and diamond brooch, late 19th centuryLot
Lot 4. Natural blister pearl and diamond brooch, late 19th century. Estimate 4,500 — 5,500 GBP. Lot sold 6,875 GBP. Photo: Sotheby's. The natural blister pearl framed by circular-cut and cushion-shaped diamonds. Accompanied by The Gem & Pearl Laboratory...