Lot 90. Platinum and Diamond Necklace-Bracelet Combination, Van Cleef & Arpels. Estimation 200,000 — 300,000 USD. Photo: Sotheby's.

The graduated necklace-bracelet combination of cluster design, set with round, pear and marquise-shaped diamonds weighing a total of approximately 78.75 carats,  length 15 inches, separates into three sections measuring 7, 6¾ and 1¼ inches for variety of wear, signed V.CA. and Van Cleef & Arpels, numbered N.Y. 34512 and N.Y. 35691; circa 1965. With fitted box.

Provenance: Christie's New York, Magnificent Jewels, April 11-12, 1994, lot 499, Property From the Estate of Mrs. Roger S. Firestone. Mrs. Firestone was married to Roger Firestone, son of tire pioneer Harvey S. Firestone. Mr. Firestone was the director of the Firestone Plastics Company in Pottstown, Pennsylvania and a director of the Firestone Tire & Rubber Company in Akron, Ohio.

Sotheby's. Magnificent Jewels Including the Legendary Stotesbury Emerald, New York, 25 avr. 2017, 10:00 AM.