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Lot 2087. Ceylon sapphire, emerald and diamond clip brooch, by René Boivin, ca. 1960. Estimate CHF 60 000 / 80 000 (€ 55 560 / 74 070). © Koller Auctions

Yellow gold 750. Designed as a dolphin, with 1 emerald cabochon of ca. 5 mm as eye, set with round sapphires weighing ca. 8.00 ct, the tail set with small emeralds of ca. 0.80 ct. At the front 1 pear-shaped pendant set with 1 oval Ceylon sapphire of ca. 15.03 ct, not heated, slight traces of wear, 1 diamond and 3 pear-shaped diamonds totalling ca. 0.60 ct. Signed René Boivin. L ca. 7,4 cm.

Provenance: Private property, Sotheby's New York, February 2014, Lot 126. 
With Françoise Cailles certificate. Verbal short test by GGTL, April 2017.

Koller Auctions. Jewellery - Thursday 29 June 2017, 02.00 PM