Cartier Etincelle De Cartier Diamond Crossover Ring in 18K

Cartier Etincelle De Cartier 0.52ctw Diamond Crossover Ring in 18K Size 51 ( ring size is engraved on the inside of a Cartier ring) Please check size chart picture in the listing. I don’t have the original box, I sent the original box by accident when I sold another Cartier item. If you have any questions please feel free to ask.