Oval brooch in 850 platinum and 18K white gold, openwork design, set with seven cushion-cut sapphires and ten ancient brilliant-cut yellow diamonds (estimated to light to fancy light), surrounded by setting

Oval brooch in 850 platinum and 18k white gold, openwork design, set with seven cushion-cut sapphires and ten ancient brilliant-cut yellow diamonds (estimated to light to fancy light), surrounded by rose-cut diamonds, pump buckle.

French works from the Art Deco period.

Sapphire estimated total weight: 5 carats

Estimated total weight of yellow diamonds: 5.50 carats

Height 2.6cm - width: 5.9 cm - Gross weight: 14.2 g

Auction money, 10-15 sunset hammer direct mail

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Estimated at 3.8-55,000