Adam's THE JEWELLERY BOX Online Auction 24th June 2024

10 11 A FRESHWATER CULTURED PEARL AND DIAMOND NECKLACE Composed of two rows of round-shaped freshwater cultured pearls of white tint, spaced by roundels, to a clasp of flower-motif and scrolled design, centring a baroque-shaped cultured pearl, further set with pear-shaped, tapered baguette- and brilliant-cut diamonds, in gold, accompanied by a valuation document for in- surance, inner circumference 77.5cm € 1,200 - 1,800 12 A SINGLE-STONE DIAMOND RING Claw-set with a brilliant-cut diamond, to knife-edge shoulders set with single-cut diamonds, mounted in gold, ring size J½ € 600 - 800 13 A GEM-SET AND DIAMOND RING Set with three oval-shaped sapphires, spaced by single-cut dia- monds, in a raised wire mount, to a plain band, mounted in 18K white gold, French import marks, numbered 288AI, ring size L € 700 - 900 14 A PAIR OF DIAMOND ETERNITY RINGS The first set with brilliant-cut diamonds, the second mille- grain-set with rose-cut diamonds, mounted in 18Kwhite gold, Frenchmaker’smark and assaymark, ring size I½ and K½ € 500 - 700 11 12 13