A gorgeous engagement ring, featuring a very rare 4.99 carats cushion cut blue sapphire certified by both AGL and Gubelin as Sri Lankan origin (Ceylon), set on a four prong setting. Flanked by step-cut trapezoid diamonds weighing 1.02 carats total. Finely made with a platinum mounting. Size 5 US, resizable upon request. Created and signed by Cartier. Comes with the original Cartier box, papers, bag, pouch, and jewelry cleaning kit. Sapphires from Ceylon are some of the most beautiful…