ADAM'S Fine Jewellery & Ladies Watches 13th May 2025

TUESDAY 13 TH MAY 2025 . STARTING AT 2PM 50 48 CARTIER AN AMETHYST, ENAMEL AND DIAMOND PENDENT NECKLACE The millegrain-set rose-cut diamond bow suspending an oval-shaped amethyst cabochon, within a white enamel border, to a fine cable-link necklace, chain in platinum and pendant mounted in 9K gold, signed Cartier Paris, partial assay marks, with maker’s case, length 37cm € 3,500 - 4,000 49 AN ART NOUVEAU ENAMEL, CULTURED PEARL AND DIAMOND PENDANT WITH A CHAIN The scrolled foliate border set to the centre with a flower motif, applied with pink and green enamel and an old-cut diamond, suspending a cultured pearl of golden tint with a rose and old-cut diamond suspension, together with later fine cable-link chain necklace, mounted in 18K gold, French assay mark, pendant length 4.6 x 4.2cm, chain length 45cm € 2,400 - 2,800 50 TIFFANY & CO. AN EARLY 20TH CENTURY SAPPHIRE AND DIAMOND BROOCH, CIRCA 1920 Of openwork circular design, set with a series of calibré-cut sapphires interspersed with brilliant-cut diamonds, mounted in platinum, diamonds approximately 1.50cts total, signed Tiffany & Co., width 3.3cm € 3,500 - 4,000 51 A MID-20TH CENTURY JADE AND DIAMOND BROOCH Centring an openwork rectangular jade plaque with flo - ral carving, within a platinum polished frame, highlighted with old-cut diamonds, mounted in platinum, diamonds approximately 1.20cts total, with millegrain detailing, French assay mark, with security chain, width 7.2cm € 3,000 - 4,000 52 A PAIR OF AQUAMARINE AND DIAMOND PENDENT EARRINGS Each cut-cornered rectangular aquamarine weighing approximately 7.70cts, within a pierced frame set with old brilliant, single and rose-cut diamonds with scrolling detailing, suspending from a similarly-cut diamond sur - mount, millegrain-setting throughout, mounted in 18K gold, diamonds approximately 1.70cts total, French import marks, length 4.2cm € 4,000 - 5,000 53 AN ART DECO JASPER AND DIAMOND BROOCH, CIRCA 1925 The polished jasper ring accented with links at each quarter, millegrain-set with rose-cut diamonds, between pierced palmette motifs set with old and rose-cut dia- monds, mounted in platinum, French import mark, length 7cm € 2,800 - 3,200