Swiss luxury jeweler de Grisogono has acquired the world's most expensive rough diamond, the brand announced at the Biennale des Antiquaires in Paris.
원문출처 : http://www.cnn.com/2016/09/09/luxury/most-expensive-rough-diamond/index.html
원문출처 : http://www.cnn.com/2016/09/09/luxury/most-expensive-rough-diamond/index.html