Anyone ever bought from these guys?

no but they look ok

http://www.diamond-heaven.co.uk/about.php

I havent looked but I take it this is jewellery and not high class escorts? The mark-up is so high. I would advise somewhere like the 'warehouses' and manufacturers in hatton garden, massive savings on High Street, and dc in quality.

Course, if it is high-class cg's you want..