Adam's Fine Jewellery & Watches 5th December 2023

T uesday 5 th D ecember 2023 . S tarting at 4 pm 32 26 AN EARLY 20TH CENTURY AQUAMARINE AND DIAMOND PENDANT NECKLACE The cushion-shaped aquamarine weighing approximately 10.00cts within a rose-cut diamond claw setting, suspended from a trifurcated mount accented with single and rose-cut diamonds and an old brilliant-cut diamond flowerhead, to a belcher-link chain, mounted in 18K and 14K gold, chain in plati- num, length 42cm € 1,200 - 1,800 27 AN EARLY 20TH CENTURY SAPPHIRE AND DIAMOND BRACELET Of openwork design, each section set with five old Europe- an-cut diamonds, bordered by calibré-cut sapphires, inter- spersed with similarly-cut diamond spacers, with millegrain detailing, mounted in platinum and 18K gold, diamonds approximate- ly 3.00cts total, French import marks, length 17.4cm € 4,200 - 4,800 28 AN EARLY 20TH CENTURY OPAL AND DIAMOND DRESS RING The central oval-shaped opal cabochon within an old single-cut diamond surround, mounted in 18K gold, cased by ‘Payne & Son, est. 1790, Oxford & Tunbridge Wells’, ring size P € 500 - 700 29 A LATE 19TH CENTURY DIAMOND BROOCH, REMODELLED AS A DRESS RING Designed as a flowerhead set throughout with old brilliant and rose-cut diamonds throughout, to a plain hoop, mounted in silver and gold, diamonds approximately 2.90cts total, ring size K¼ € 1,800 - 2,200 30 A LATE 19TH CENTURY DIAMOND BROOCH, CIRCA 1890 Of openwork flowerhead rosette design, set throughout with old cushion, single and rose-cut diamonds, suspending a re- movable pendant of similar design, mounted in silver and gold, diamonds approximately 9.00cts total, length (including removable pendant) 7.3cm € 4,000 - 5,000 31 AN EARLY 20TH CENTURY SAPPHIRE AND DIAMOND PENDANT Of circular openwork design, the central cushion-shaped sap- phire within a quadripartite surround accented with old-cut diamonds, with millegrain detailing, mounted in 18K gold and platinum, diamonds approximately 1.00ct total, French import marks, length (including bale) 3.3cm € 1,000 - 1,500