4 carat diamond quality: cut, color, clarity and carat weight

https://alpha-wiki.win/index.php/4_carat_diamond_quality:_cut,_color,_clarity_and_carat_weight

A 4 carat diamond's quality hinges on cut, color, clarity, and carat weight; the cut determines its brilliance, color grades from D to Z affect its tint, clarity looks at inclusions, and the 4 carats give it noticeable size.