Cartier jewelry brand is one of the top ten jewelry brands in the world. Cartier launched a series of love rings on 1969. This ring has a special contrast, that is, it needs a matching screwdriver to open it.

Cartier is a French watch and jewelry manufacturer, founded by Louis Fran in 1847. Ois Cartier was founded at No.31Montague Street in Paris. Now it is a subsidiary of Richemont Financial Company.

1874, his son Jaffa Cartier inherited his management right, and his grandchildren Louis Cartier, Pierre Cartier and Gith Cartier developed it into a world-famous brand. /kloc-in 0/904, he designed the world's first wristwatch for pilot Alberto Santos Dumen-Cartier Santos.