These factors make up three of the four Cs - in this case, color, clarity and carat. When you’re comparing diamonds, whether for buying an engagement ring or other jewelry, it’s easy to get distracted by a diamond’s size, color and clarity. Why Diamond Depth and Table Are Important Looking for a reliable place to compare diamonds on depth and table size? Retailers like James Allen and Blue Nile list depth % and table % along with other important carat, color, clarity and cut information for all of their loose diamonds.

We’ve listed the best depth and table ranges for round cut diamonds, princess cuts and several other popular diamond cuts below, along with tips to help you get the best diamond within your budget. But if this were cushion cut, those numbers would be fantastic. They are way outside the range of what is a decent round diamond. This is about as bad a diamond as you can get. For example, take a look at this diamond from Blue Nile. There’s no “best” depth and table for every diamond - instead, the ideal depth and table depend on the cut you’re considering. The depth and table of a diamond have a huge impact on its appearance and value. We get commissions for purchases made from our affiliates through links in this article.

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