18K (750) gold foliate cocktail ring, featuring a round faceted sapphire surrounded by navette sapphires, set with round brilliant-cut and half-cut diamonds. Finger size: 53. Gross weight: 15.6g The sapphire is accompanied by a GEM-Paris pre-report (2025) attesting: sapphire Thailand, heated. A sapphire (Thaïland, heat) and diamond ring