FEATURE Sapphire

Finest blue sapphire Blue sapphire refers to the gem varieties of the mineral corundum which the color is blue. Chemical composition of the blue sapphire is Al2O3 and its hardness is 9 (Moh's scale) There are several mine of blue sapphire such as; Sri Lanka (Ceylon), Africa, Thailand, etc. Blue sapphire is the birthstone for person who was born in September. SWDGems enhance the quality of blue sapphire by heat. Thermal enhancement of our blue sapphires is considered stable and permanent, and it is generally accepted by the international gem and jewellery trade. SWD Ruby Sapphire Gemstone Wholesaler provide the various quality, size, shape, color of the top quality blue sapphire for our customer