These Gemstone Clarity have inclusions with can easily be seen with the naked eye. This is where the Type 3 colored gemstones would reside. Some may fall into the previous category of SI, but many should be graded here due to their visible inclusions.
Buying colored gemstones of this grade isn’t necessarily a problem, as many stones such as Zambian Emeralds or Mozambique Ruby have the color and hues to mask inclusions in their deep and strong shades. However, in diamonds, it is never recommended to buy a stone with this grade. The inclusions can affect durability, shortening the life of your stone, wear ability, meaning it can’t be worn daily in case it gets damaged, as the inclusions make the stone more susceptible to cracking or breaking.