A SAPPHIRE, DIAMOND AND GOLD NECKLACE, VAN CLEEF & ARPELS

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A SAPPHIRE, DIAMOND AND GOLD NECKLACE, VAN CLEEF & ARPELS
The front of circular-cut diamond quatrefoil design, set with a pear-shaped sapphire weighing approximately 9.87 cts. and three rectangular-cut sapphires, joined to a calibré-cut sapphire and circular-cut diamond tapering V-shaped band, mounted in 18K gold, with French hallmarks (one small sapphire missing)--14¾ ins. long
Signed by Van Cleef & Arpels, No. M 36234
With certificate 9702109 from the Gübelin Gemmological Laboratory stating that the 9.87 ct. sapphire is of Burmese origin. No indications of thermal treatment.
Total weights of the remaining sapphires and the diamonds approximately 38.00 and 30.00 cts.