Adam's Fine Jewellery & Watches 5th December 2023

T uesday 5 th D ecember 2023 . S tarting at 4 pm 36 35 AN EARLY 20TH CENTURY ONYX AND DIAMOND PENDANT NECKLACE, CIRCA 1915 The fancy-link chain suspending graduated old brilliant-cut diamonds, terminating an onyx faceted drop centring a similarly-cut diamond, within millegrain setting, mounted in 18K gold and platinum, diamonds approximately 2.80cts total, French assay marks and French import mark, with security chain, central pendant 4.5cm, necklace length 39.5cm € 2,200 - 2,800 36 A MID-20TH CENTURY DIAMOND BROOCH, FRENCH, CIRCA 1950 Of openwork bow design, the central old cushion-shaped diamond weighing approximately 1.40ct, between brilliant and single-cut diamonds, accented with further single-cut dia- monds within star motifs, to zig-zag and scrolling detailing, mounted in platinum, remaining diamonds approximately 3.50cts total, French assay mark, width 4.7cm € 2,500 - 3,500