LLot 321. An Impressive sapphire and diamond brooch. Set with a cushion-cut sapphire, weighing 130.50 carats, to the openwork rose-cut diamond surround and collet-set old-cut diamond frame, mounted in silver and gold. Estimate CHF800, 000-CHF1,2...

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LLot 321. An Impressive sapphire and diamond brooch. Set with a cushion-cut sapphire, weighing 130.50 carats, to the openwork rose-cut diamond surround and collet-set old-cut diamond frame, mounted in silver and gold. Estimate CHF800, 000-CHF1,2...

LLot 321. An Impressive sapphire and diamond brooch. Set with a cushion-cut sapphire, weighing 130.50 carats, to the openwork rose-cut diamond surround and collet-set old-cut diamond frame, mounted in silver and gold. Estimate CHF800, 000-CHF1,200,000 SOLD FOR CHF 6,259,000