RARE Natural Unheated 2.54 carat Blue Sapphire From Burma Comes with Nanyang certificate stated from Burma. Almost 95% near to royal blue and eye clean. Colour: Blue Carat: 2.54. Origin: Burma. Customisation of jewellery can be done too. Burma is well known to produce the best sapphires and rubies in the world. Burma sapphires of this colour are becoming more rare in the market.