Cartier Vintage Diamond Ruby RingA beautiful vintage Cartier diamond ruby ring made of 18k gold. Its a toi et moi (you and me) ring with two gemstones mounted next to each other. The toi et moi design is thought to be originated by Napoleon Bonaparte. Its a symbol of two souls destined to be together. Today the design is still in demand, for instance Emily Ratajkowski and Ariana Grandeboth have toi et moi engagement rings. This Cartier ring features the oval cut diamond and ruby set