This is Sri Lanka’s Gem Supreme and the National Gemstone. It is cornflower-blue in colour, with a fine luster. Colour varies from violet-like blue to blue with varying hues. Blue Sapphires from Sri Lanka have a unique beauty of their ‘own. Fabulous Blue colour stones are found in the Rakwana area. Sri Lanka is the world’s best producer of the giant sapphires and one of the largest source of the finest gemstones in the world.