Info below is directly off the Cert that was complleted in 2022
NATURAL BLUE SAPPHIRE
310.054 ct
pear-shaped, modified brilliant / step cut
45.83 x 35.81 x 25.65 mm
blue of medium strong saturation
SAPPHIRE (variety of natural corundum)
The analysed properties confirm the authenticity of this transparent sapphire.
No indications of heating.
Origin: Ceylon (Sri Lanka)
ASKING $550,000 U.S.
If anyone does social media. Here are some links to view video .
Fb
Tic Toc
YOUTUBE