The Sapphire belongs to the corundum group, with excellent hardness, exceeded only by Diamond –the hardest mineral on Earth..The oldest sapphire finds are in Ceylon , or Sri Lanka as it is known today where they are mined from ancient times. Ceylon sapphires are recognised by the luminosity of their light to mid-blue colours. ranging from blue to purple and pink.The Blue Sapphire is chosen as the ideal gift for Royalty.
Top-quality sapphires are extremely rare. Beauty, magnificent colour, transparency, and durability are the main features. Color determines the value of a sapphire. The most valuable colors for blue sapphires are violetish blue. Highly saturated medium or dark medium tones are best.<See list of World Famous Gems>