Coloured gemstones are found in all the colours of the rainbow.
Red for beautiful rubies, spinels, tourmalines and garnets
Orange - for sapphires and citrines
Yellow - for sapphires and amber
Green - for emeralds, tourmalines, peridots and tsavorite garnets
Blue - for sapphires, aquamarines and blue topaz
Indigo - for sapphires, iolites, spinels and tourmaline
Violet - for sapphires and amethysts