natural rough diamonds什么意思?

natural rough diamonds什么意思? diamon luxe natural natural natural natural natural natural natural rough反义词 反义词：rough ROUGH怎么样 rough it the rough 金刚石是最硬的材料,粗糙的金刚石怎样打磨成精致的钻石?diamond is the hardest known natural material,how are rough diamonds shaped or cut to form the gem shapes. The lemon is rough .对rough提问? rough landing什么意思Rough Landing It is rough 对rough 怎么提问