An analysis of the first large diamonds confirmed to come from deep under the Earth’s surface supports initial predictions showing that the Smithsonian’s famous Hope diamond may be “super deep,” originating from more than three times deeper in the Earth than most diamonds. It also suggests, in a new finding, that the “Crown Jewels” Cullinan diamond may also be a super-deep diamond.
Click here for original story, Both the famous Hope diamond and British Crown Jewel diamonds, may be “super-deep”
Source: Phys.org