Adam's THE JEWELLERY BOX - Online Auction 15th June 2023

38 150 A DIAMOND RING, Set with four graduated brilliant-cut diamonds, within a raised openwork gallery, mounted in 18K gold, British hallmarks and maker’s mark, ring size N € 500 - 700 149 A SAPPHIRE AND DIAMOND RING, Set with three graduated sapphires, interspersed by single-cut diamonds, to an openwork gallery, mounted in 18K gold, British assay marks, maker’s mark, ring size N½ € 700 - 900 148 A DIAMOND COCKTAIL RING, Of bi-coloured design, the dome-shaped central motif set with brilliant- and rose-cut diamonds, to tapered shoulders, mounted in gold, French assay marks, ring size P € 1,600 - 2,200 147 AN EMERALD AND DIAMOND RING, The square raised mount centring a square-cut emerald, between two bezel-set brilliant-cut diamonds, to a polished hoop with engraved sides, maker’s mark, ring size Q½ € 800 - 1,000 146 A DIAMOND RING, BY BRÜNER, The middle band of textured design, flanked on each side by a brilliant-cut diamond eternity band, mounted in 18K gold, signed Brüner, ring size J € 500 - 700 145 AN EARLY 20TH CENTURY DIAMOND RING, Of bi-colour design, the oval openwork motif millegrain-set with single-cut diamonds, ring size L½ * This lot is sold without a reserve € 80 - 120 144 A RUBY AND DIAMOND RING, The gallery of openwork scrolled design, set with three circular-cut rubies and two single-cut diamonds, mounted in 18K gold, ring size K * This lot is sold without a reserve € 300 - 500 143 A DIAMOND ‘PARENTESI’ RING, BY BULGARI, the sprung band set with geometric gold links, some links pavé-set with brilliant-cut diamonds, mounted in 18K gold, signed Bvlgari, Italian registry mark, ring size adaptable € 1,500 - 2,000 142 A RETRO DIAMOND RING, CIRCA 1940 The frontispiece set with an old brilliant-cut diamond accented with four rose-cut diamonds within star motifs, mounted in 18K gold, French import mark, ring size L½ € 1,000 - 1,500 141 A DIAMOND RING, The broad band decorated with a chiselled scrolled line, enhanced by a brilliant-cut diamond, ring size O * This lot is sold without a reserve € 300 - 500 140 A SAPPHIRE AND DIAMOND RING, Of bi-colour design, the broad undulating band, centring a cushion-shaped sapphire, framed by brilliant-cut and baguette diamonds, mounted in 18K gold, ring size R € 1,000 - 1,500 139 A SAPPHIRE AND DIAMOND RING, The broad band designed as three rings joint together, centering a cushion-shaped sapphire, flanked by two cushion-shaped diamonds, ring size I½-J € 600 - 800