クラリティ: 内部や外部の欠陥を測定し、欠陥が少ないほど高評価になります。 カラット: ダイヤモンドの重さを示し、大きなカラットは好まれますが、サイズと全体の品質のバランスが重要です。 UltraCaratは、これらの基準に基づいたダイヤモンドの選び方 ...

(For example, a diamond weighing 75 points is described as 3/4's of a carat.) Keep a diamond carat size chart handy when trying to decide how big or small you want to go. Since a precious stone's ...

A massive 2,492-carat ... 2,492 carat diamond.” Rough diamonds are usually classified as being gem-quality, near-gem or industrial-quality, depending on their color, clarity, size and shape.