From Czars of Russia to the royalty of England, Cartier was always there to cater to the jewelry needs of the royalty. Some necklaces and earrings made by Cartier even found their ways to museums and art galleries either because of the people who wore them or the one-of-a-kind gemstones used in them. And, if there's not a single diamond in this pack of coffee, then it isn't a real Cartier.