14K black gold earrings with 18K black gold chain, a 2.18K raw diamond and a 0.26K black diamond. Butterfly fastening. Length: 2 cm/0,8 in It is after seeing pictures of stone polishers that Maja Bjornsten, designer of the label Rough Diamonds fell in love with diamonds: not the glamour and shiny versions we are used to see but the rough stones. She wanted to sublimate them and design jewelry revealing their true beauty.