Adam's Fine Jewellery & Watches Tuesday May 14th 2019

39 50 A DIAMOND CROSS-OVER RING Designed as two flowerheads, composed of two round bril- liant-cut diamonds within a surround of marquise-cut diamonds, mounted in 18K gold, principal diamonds approximately 1.20cts each, remaining diamonds approximately 2.70cts total, French assay mark, cased by ‘M Guilly, Monte Carlo’, ring size Q½ € 7,000 - 8,000 51 A LADY’S GOLD, DIAMOND AND SAPPHIRE-SET COCKTAIL BRACELET WATCH, BY VACHERON CONSTANTIN, CIRCA 1965 18-jewel Cal. 1430 manual wind movement, dial pavé-set with sin- gle-cut diamonds with polished pointed baton hands, polished oval case with snap on the back, bezel set with round brilliant-cut diamonds weighing approximately 1.00cts total with four circular-cut sapphire accents, back-winding crown, integral weave-link white gold bracelet with signed folding clasp with a single-cut diamond highlight, case and movement signed, mounted in 18K gold, French assay marks, case no. 52897**, length 15.9cm, case width 2.1cm € 3,500 - 5,500