750-thousandths yellow gold cocktail ring, set with a large synthetic blue spinel in an emerald cut weighing approximately 27.10 ct (movable stone). Mid-20th century. French hallmark: G. Wheat ears. C. Spinel dimensions: 20.1 x 15.2 x 9.6 mm Ring size: 50 (resizing ring) Gross weight: 15.1 g