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

TUESDAY 13 TH MAY 2025 . STARTING AT 2PM 98 131 ALBUQUERQUE. A DIAMOND BROOCH, CIRCA 1960 Designed as a floral and ribbon spray, set with marquise, brilliant and tapered baguette-cut diamonds throughout, mounted in platinum and 18K gold, diamonds approxi- mately 12.00cts total, signed Albuquerque Paris - Monté Carlo, numbered 1.264, French assay marks, length 4.7cm € 10,000 - 15,000 132 A DIAMOND DRESS RING, CIRCA 1955 Of openwork bombé design, set with brilliant-cut dia - monds, within a surround of marquise-shaped and ba- guette-cut diamonds, to a hinged ring shank, mounted in 14K gold, diamonds approximately 5.40cts total, ring size E½ € 3,500 - 4,500 133 A MID-20TH CENTURY SAPPHIRE AND DIAMOND CLIP BROOCH Designed as an openwork heart of foliate design, mil - legrain-set with rose-cut diamonds, centring a collet- set cushion-shaped sapphire weighing approximately 3.00cts, further collet-set with old-cut diamonds, mount- ed in platinum, length 4.3cm € 2,000 - 3,000 134 A DIAMOND SINGLE-STONE RING The European-cut diamond weighing 3.90cts, within a multiple-claw setting, to a plain mount, mounted in 18K gold, ring size L¾ € 12,000 - 18,000 Accompanied by a report from the HRD laboratory in Ant - werp, stating that the natural diamond, weighing 3.90cts, is N-O colour, VVS2 clarity. Report number 250000050660, dated March 13th 2025. 135 A YELLOW SAPPHIRE AND DIAMOND RING Collet-set with a cushion-shaped yellow sapphire, within a mount set with rose-cut diamonds, to a gallery of open - work wire design, mounted in 18K gold, ring size J ⅔ € 12,000 - 18,000 Accompanied by a report from Carat Gem Lab in France, stating that the natural yellow sapphire is 31.00cts, of Sri Lankan origin, with no indications of heating. Report num - ber CGL21816, dated June 2020.