Rectangular step-cut sapphire, round diamonds, French assay marks platinum (950‰) and 18K white gold (750‰), signed Cartier Paris, French maker’s marks (Société Anonyme Cartier), 1960s Sapphire: for an approximate weight of 1.10-1.30 carat Diamonds: for a total approximate weight of 1.20-1.40 carat Size/Dimensions: 2.8 x 2.6 cm Gross weight: 12.33 grams