Adam's FINE JEWELLERY & WATCHES 13th September 2022

T uesday 13 th S eptember 2022 . S tarting at 4 pm 28 32 AN EARLY 20TH CENTURY DIAMOND PENDANT NECKLACE The fine cable-link chain leading to a graduated row of old brilliant-cut diamonds, suspending a pierced drop with foliate detailing, similar- ly-set with old brilliant and single-cut diamonds and terminating in an old brilliant-cut diamond weighing approximately 1.50cts, millegrain detailing throughout, mounted in platinum, remaining diamonds approxi- mately 2.85cts total, length 50cm € 7,000 - 8,000 33 AN EARLY 20TH CENTURY DIAMOND ETERNITY RING, CIRCA 1920 The continuous row of old brilliant-cut diamonds, the sides of the hoop engraved with scroll detailing, mounted in platinum, diamonds ap- proximately 2.00cts total, ring size K € 800 - 1,200 34 AN ART DECO SAPPHIRE AND DIAMOND CLIP, CIRCA 1930 Set with a cushion-shaped sapphire within collet-setting, in a pierced surround set throughout with vari-cut diamonds, mounted in platinum and gold, diamonds approximately 3.30cts total, length 4cm € 4,000 - 5,000 35 A CULTURED PEARL NECKLACE WITH AN ART DECO DIAMOND CLASP, CIRCA 1920, AND AN ART DECO BROOCH The two-rows of graduated cultured pearls measuring approximately 3.65 - 8.00mm to a rectangular clasp set with a triangular and cali- bré-cut diamond forming a triangular motif within a surround of old brilliant-cut diamonds, mounted in platinum and gold, French assay marks, indistinct maker’s mark,numbered, length 43.5cm; The brooch set with a cultured mabé pearl of bluish-purple tint, with- in a pierced geometric surround set with old brilliant and rose-cut diamonds, with baguette and step-cut paste highlights, mounted in plat- inum and gold, length 5.3cm € 800 - 1,000 36 A SAPPHIRE AND DIAMOND BROOCH The openwork brooch set with a central circular-cut sapphire,within a surround of old brilliant-cut diamonds in square millegrained settings, further issuing curved rows of old brilliant, single and rose-cut dia- monds, mounted in platinum, diamonds approximately 5.75cts total, length 7cm € 6,000 - 7,000 37 AN EMERALD AND DIAMOND RING Set with an oval emerald cabochon with graduated brilliant-cut di- amonds to either side, between bifurcated shoulders with ropetwist detailing, mounted in 14K gold, London import mark for 1980, diamonds approximately 0.65ct total, cased, ring size L € 1,500 - 2,500