One of the first recorded uses of a diamond engagement ring was Archduke Maximilian of Austria」s proposal to Mary of Burgundy with a ring set with thin, flat pieces of diamonds in the shape of an 「M.」
关于鉆戒使用的最早记录中有一条是奥地利大公马克西米利安向勃垦地的玛丽求婚时,赠与了一个M形又薄又平的鉆石镶嵌的戒指。