I have a 0.75ct London blue Sapphire -Unheated.
Dimensions
7.7mm x 4mm x 2mm with a Mohs hardness rating of 9 out of 10, this high luster sapphire is perfect for setting. Sourced from Thailand.
Acquired From:
Auction House
An Unmounted & Unheated 0.75ct Sapphire, the elongated step-cut stone of "London blue" color, of Thailand origin, dimensions: 7.7mm x 4mm x 2mm