Art deco unheated sapphire and diamond ring (laboratory certificate)

Period: Circa 1930
Metal: Platinum 950/1000
Total weight (gross): 4.90 grams
Ring size: 52 (can be sized)
Nature of the stones: Sapphire (6.93 carats, Carat Gem Lab laboratory certificate indicating the absence of thermal modification and a provenance from Sri Lanka formerly Ceylon) and old-cut diamonds
State of conservation: Very good state of conservation
Price: 12800 euro
Reference: 21 013 7