50 carats of rough blue diamond

[cameup22]

 

[musicloveranthony]

Where is the blue portion?

 

[Karl_K]

not diamond...not even close

 

[LilAlex]

Maybe the "before" picture? Just add heat and pressure.

No window, that's for sure.

 

[Karl_K]

Maybe the "before" picture? Just add heat and pressure.

No window, that's for sure.

lol its been hot before.
Look at the once molten flow patterns and the gas bubble holes.
That and google is enough of a clue to find out what it most likely could be.