The 100-carat Emerald-cut perfect diamond joins five similarly rare stones ... owner who spent over a year studying and cutting it before bringing it to the house. Mr. Everett explained that ...

Edward VII was then advised to have it cut and the renowned ... The job of cleaving the diamond fell to Joseph Asscher, who studied it in detail before creating a 6.5mm deep incision in it over ...

Cut-off machines and diamond chainsaws are the two most common ... as most users have operated gas-powered equipment before. They do require more maintenance, however. Besides power requirements ...

Chiba University has found a way to cut blocks of diamond into thin wafers along a difficult but desirable crystal plane using lasers. The ‘100’ plain leaves a surface that is relatively easy to ...