This rare vintage ring by designer Cartier features a solitaire .40 carat round brilliant cut diamond. The diamond is graded E color and VVS clarity. The bezel set diamond is surrounded by hematite gemstone and 18 karat yellow gold. The ring measures 11mm in width and is size 52 (US 6). Signed Cartier 750 and hallmarked. Weight: 13.8 grams.