A Superb Art Deco Ruby and Diamond Brooch, by Cartier

Antique cushion-shaped ruby of 10.10 carats, triangular and square-cut diamonds, gold (French marks) and platinum, 1911, signed Cartier, maker's mark, numbered, red Cartier fitted case SSEF, 2026, report no. 155248: 10.10 carats (declared weight), Burma (Myanmar), no indications of heating, 'pigeon blood red', Appendix letter Gübelin, 2026, report no. 26071014: 10.10 carats (declared weight), Burma (Myanmar), no indications of heating, 'pigeon blood red', Appendix Cartier, 2000: Copy of Certificate of Authenticity Size/Dimensions: 3.6 cm Gross weight: 16.7 grams

Estimate:£3,800,920

View all items fromChristie'sorJewellery & Gems