Sapphires come in a variety of colours but are famous for their rich, deep royal blue colour. Found in several regions around the world, Sapphires have become the most popular precious gemstone, behind diamonds. The sapphire's deep blue, sparkling hue has been cherished since ancient times. Today, the gem is second in popularity only to the diamond. Because of sapphires' sturdy structure and versatile colour, they're found in gorgeous, valuable pieces around the world.