could these be Golconda Diamonds

[Shyam]

Need some help, I am told that these are golconda diamonds (40.4)ct, 30% of them are a bit dirty. One suggestion is of them being old panna(mines) diamonds.
Expert views required.
What say, Gary

 

[diagem]

What do you mean when you say 'these'???

 

[Shyam]

Sorry, the image didny get uploaded