Solitaire 1895 from Cartier, platinum 950/1000, set with all diamonds OR set with an emerald, ruby, or sapphire cut available in 0.50 to 0.59 carat, 1.00 to 1.15 carat, 1.50 to 1.69 carat, 2.00 to 2.49 carats, and 4.00 to 4.99 carats and set with brilliant-cut pavé diamonds.