Adam's Fine Jewellery & Watches Tuesday 14th September 2021

23 21 A PAIR OF DIAMOND EARSTUDS Each old cushion-shaped diamond within collet-setting and a halo of brilliant-cut diamonds with millegrain detailing, mounted in 18K gold, Italian assay marks, diamonds approximately 4.00cts total, length 1.2cm € 12,000 - 14,000 22 AN EARLY 20TH CENTURY SAPPHIRE AND DIAMOND TARGET RING The central old brilliant-cut diamond within collet-setting, to a pierced surround of calibré-cut sapphires, between single-cut diamond shoulders, ring size K½ € 4,000 - 5,000 23 AN ART DECO SAPPHIRE AND DIAMOND BRACELET, CIRCA 1925 Of geometric design, set with fancy-cut sapphire and European-cut diamond links, interspersed by old single-cut diamond connectors, with millegrain detailing throughout, mounted in gold, diamonds approximately 3.40cts total, within case by ‘Golay -Leresche & Fils, Golay Fils & Stahl Geneve’, length 18.2cm € 3,500 - 4,500