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

21 16 A BELLE ÉPOQUE DIAMOND PENDANT NECKLACE, CIRCA 1910 The openwork plaque of foliate design, millegrain-set throughout with old brilliant and single-cut diamonds, centring an old marquise-shaped diamond weighing approximately 0.80ct, on a similarly set bow surmount, suspending from a later cable-link chain, remain- ing diamonds approximately 1.50ct total, pendant length 5.4cm, chain length 43.1cm € 3,000 - 4,000 17 AN EARLY 20TH CENTURY DIAMOND DRESS RING Of crossover foliate design, set with two old brilliant-cut diamonds, accented by rose-cut diamonds, within millegrain setting, mounted in 18K gold, French import mark, ring size K¾ € 500 - 600 18 AN EARLY 20TH CENTURY SAPPHIRE AND DIAMOND DRESS RING The cushion-shaped sapphire within a four-claw setting weighing approximately 3.50cts, within a surround of old cushion, single and rose-cut diamonds, finishing with rose-cut diamond shoulders, millegrain detailing throughout, diamonds approximately 0.80ct total, ring size L½ € 4,500 - 5,500