Property from the Rothschild Family Including the Late Baroness Edouard de Rothschild and the Late Jacqueline de Rothschild Piatigorsky. Lot 426. Double-strand natural pearl, diamond and sapphire necklace. Estimate USD 150,000 - USD 250,000. Price realised USD 393,000. © Christie's Images Ltd 2019

Seventy-eight button and slightly drop-shaped natural pearls ranging from 10.83 to 8.07 mm, old-cut diamonds, oval and pear-shaped sapphires, 18k gold, shortest strand 14 ¾ ins.

SSEF, 2019, report no. 104866: Natural Pearls, saltwater
GIA, 2017, report no. 5182816965: natural saltwater pearls, no indications of treatment.

Property from the Rothschild Family Including the Late Baroness Edouard de Rothschild and the Late Jacqueline de Rothschild Piatigorsky. Lot 445. Natural pearl, seed pearl and diamond necklace. Estimate USD 50,000 - USD 70,000. Price realised USD 200,000. © Christie's Images Ltd 2019

Fifty-five round and near-round natural pearls ranging from 10.14 to 6.64 mm, fifty-one seed pearls, trapezoid and baguette-cut diamonds, platinum and 18k gold (French marks), 20 ½ ins.

SSEF, 2019, report no. 104867: Natural Pearls, saltwater
GIA, 2017, report no. 6187817025: natural saltwater pearls, no indications of treatment.

Property from the Rothschild Family Including the Late Baroness Edouard de Rothschild and the Late Jacqueline de Rothschild Piatigorsky. Lot 404. Natural pearl and diamond ring, mounted by Cartier. Estimate USD 50,000 - USD 70,000. Price realised USD 193,750. © Christie's Images Ltd 2019

Button-shaped natural pearl of 14.78-15.46 x 13.90 mm, single-cut diamonds, platinum (French mark), ring size 7, signed Monture Cartier, maker's mark.