The proper color grade for a 1.5-carat Asscher reduce diamond is subjective and may range primarily based on private possibilities and price range issues. commonly, diamonds are graded on a color scale ranging from D (colorless) to Z (mild yellow or brown). For Asscher reduce diamonds, which might be recognised for his or her step-reduce sides and a completely unique vintage appeal, many individuals prefer a shade grade within the near-colorless variety (G to H), as this usually moves a balance between a stunning look and price-effectiveness. but, a few may additionally choose higher coloration grades (D to F) for a very colorless appearance, at the same time as others would possibly select decrease grades (I to J) to allocate more budget toward different elements including cut or carat weight. in the long run, an appropriate color grade is a personal desire that depends at the person's taste and priorities in the 4Cs (reduce, color, clarity, and carat weight).