Gem Type :Corundom
Stone shape : Heart
Stone size: 6.7 X 6.9 mm. depth is 3.3mm.
Stone weight : 1.235CT
Color : deep intense royal blue color , color rating is 10/10 . The royal blue color is not comparable to ceylon sapphire color which is usually lighter in tone , as this particular color is very deep blue.
Clarity : transparent to translucent , Eye clean.
Cut proportions : very good
Stone origin : Kanchantaburi mine - Thailand
Stone Treatment : Heat is a common treatment for natural sapphire .
The Royal Blue Color is rarely associated with transparency. Gem grade materials have usually a velvety appearance with a medium transparency to excellent translucency. The purer the blue color with less or no grayish, greenish or blackish overtone, the more valuable it is.