The best Side of diamond ring
國立故宮博物院、巴黎裝飾藝術博物館和梵克雅寶「大美不言」典藏精粹特展,於奇巧間探索東西方工藝的多重玄Colored diamonds consist of impurities or structural defects that lead to the coloration, whilst pure or almost pure diamonds are clear and colorless. Most diamond impurities substitute a carbon atom