French Art deco ring circa 1935, natural sapphire (3,47 carats, laboratory certificate) and diamonds

Period: Circa 1930
Metal: 950/1000 platinum and 750/1000 gold (French hallmark)
Total weight (gross): 4.20 grams
Ring size: 55 (can be sized)
Ring head diameter: 1.5 cm
Nature of the stones: Natural unheated sapphire of 3.47 carats (Carat Gem Lab laboratory certificate indicating the absence of thermal modification, an intense blue color and a source of Sri Lanka formerly Ceylon), old cut diamonds (approximately 1.7 carat )
State of conservation: Very good state of conservation
Price: 8700 euro
Reference: 21 110 1