Tuesday, 17 February 2015

De Beers a crown jewel



De Beers Group to invest around $3bn over ten years on diamond mining operations in its key South African mine Venetia.

Read more: DCLA

No comments:

Post a Comment

The Transformation of Diamond Cut Quality Grading

  From the Tolkowsky Ideal to Modern Cut Grades, Why Proportions Still Matter For more than a century, diamond cutters, gemologists and scie...