Gems come in pretty much every colour of the spectrum. While sapphires, rubies and certainly emeralds are what are seen to be first whenever one thinks of a coloured gem, you will discover countless other stunning colored gemstones to take into consideration. Even amongst gems habitually associated with one coloration, there are gradations plus variances to them. A sapphire, for example, comes in a variety of hues of blue, dependent upon where it’s from. But sapphires may also come in pink, yellow and green.