Cushion-shaped sapphire, triangular-shaped diamonds, French assay mark for 18K white gold (750‰), signed Cartier, French maker's mark (Société Georland), numbered Gem Paris, 2025, report n°20251978499-2: Sri-Lanka, non-heated LFG, 2025, report n°421695: Sri Lanka (Ceylon), no indication of thermal treatment Sapphire: for an approximate weight of 2.30-2.50 carats Diamonds: for an approximate total weight of 0.40-0.60 carat Size/Dimensions: EU ring size 53 / US ring size 61⁄4 Gross weight: 8.73 grams