Rare and important pair of platinum, natural pearl and diamond earrings. Photo Sotheby's

The light grayish brown drop-shaped pearls measuring approximately 11.3 to 11.9 by 18.2 mm and 12.0 to 12.0 by 16.9 mm, topped and suspended by round, marquise-shaped and rose-cut diamonds weighing approximately 3.10 carats, topped by two button-shaped pearls of similar hue measuring approximately 7.0 and 6.7 mm. Estimation 600,000 — 800,000 USD