Adam's Fine Jewellery & Watches September 18th 2018

32 Tuesday 18 th September 2018 51 AN ART DECO ROCK CRYSTAL AND DIAMOND CLIP BROOCH, CIRCA 1935 The geometric rock crystal fan set with an old brilliant-cut diamond surmount, to similarly-cut dia- mond lower accents, mounted in gold, diamonds approximately 0.80ct total, length 3.9cm € 600 - 800 52 AN ART DECO EMERALD AND DIAMOND RING, CIRCA 1940 The square step-cut emerald weighing approximately 1.50cts, between old brilliant-cut diamond shoulders, to an openwork gallery and plain hoop, mounted in platinum and 18K gold, diamonds approxi- mately 0.60ct total, French assay marks, ring size O½ € 2,500 - 3,500 53 AN ART DECO DIAMOND BRACELET, CIRCA 1930 Composed of openwork geometric panels, set throughout with old brilliant, single and baguette-cut diamonds, mounted in platinum and 18K gold, diamonds approximately 8.00cts in total, French assay marks, with safety chain, length 18.1cm € 5,000 - 7,000 54 AN ART DECO DIAMOND BROOCH, CIRCA 1920 Centrally collet-set with brilliant-cut diamond, within a pierced geometric design of similarly and single-cut diamonds, within millegrain setting throughout, diamonds approximately 2.50cts total, length 4.7cm € 1,200 - 1,800