ADAM'S Fine Jewellery & Ladies Watches 2nd December 2025

137 143 A DIAMOND SINGLE-STONE RING Set at the centre with a transitional-cut diamond weighing approximately 4.60cts, between tapered baguette-cut diamonds, mounted in platinum, ring size K € 18,000 - 22,000 144 AN EMERALD AND DIAMOND DRESS RING, CIRCA 1960 Of openwork lozenge-shape design, centring a claw-set square cush - ion-shaped emerald weighing approximately 1.90cts, cornered by bril - liant-cut diamonds, to a mount with ropetwist border detailing, set with brilliant-cut diamonds, mounted in platinum, diamonds approximately 1.50cts total, with maker’s mark ‘MS’, French assay mark, ring size J½ € 2,500 - 3,500