The i color diamond is available from james allen for $4,200, while the d color diamond also from james allen costs $6,750 — a whopping 60% more. Red, purple, green, and blue are the rarest ones. All Of These Colorful Natural Rough Diamonds Are One-in-a-million Once In A Lifetime Finds And Cl Rough Diamond Jewelry Minerals And Gemstones Diamond Jewelry A display of 296 diamonds of natural colors. How many different color diamonds are there . Ad 4c education, guide & tools to help you choose the perfect diamond & learn more! Part of the reason the color difference between these diamonds is. Yellow and brown tinted diamonds are the most common found. Since all the diamonds are red, there are 13 red diamonds in a deck of cards. The types of diamonds ranged by the popular diamond colors next to the different types of diamonds ranged by cut, there are many diamond colors. The origins of the main color diamond colors have accounted for almost every continent, but there a...