When it comes to gemstones, rarity is prized. But what is the rarest color of gem? It turns out that the answer is red. Red gems like rubies and red diamonds are exceptionally rare, coveted for their vibrant hue. These gems are often associated with power, passion, and luxury. So, if you’re lucky enough to come across a red gem, be prepared to be amazed by its striking beauty and unparalleled rarity.