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2. Traditional point-size names - Wikipedia

   en.wikipedia.org/wiki/Traditional_point-size_names

   (11) Diamond (4.5 pt, 1.5875 mm). Fonts originally consisted of a set of moveable type letterpunches purchased from a type foundry. As early as 1600, the sizes of these types—their "bodies" [1] —acquired traditional names in English, French, German, and Dutch, usually from their principal early uses. [2]

3. Material properties of diamond - Wikipedia

   en.wikipedia.org/wiki/Material_properties_of_diamond

   The precise tensile strength of diamond is unknown, though strength up to 60 GPa has been observed, and theoretically it could be as high as 90–225 GPa depending on the sample volume/size, the perfection of diamond lattice and on its orientation: Tensile strength is the highest for the [100] crystal direction (normal to the cubic face ...

4. List of diamonds - Wikipedia

   en.wikipedia.org/wiki/List_of_diamonds

   Discovered in 2015, it is the 5th largest diamond ever discovered at the Crater of Diamonds State Park, Arkansas Identified as a Type IIa crystal, the 8.52 carat diamond was cut and polished by Mike Botha into a custom-designed 4.605 carat Triolette shape during a week long event in North Little Rock and was graded a D IF, 0 Polish & 0 Symmetry ...

5. Diamond (gemstone) - Wikipedia

   en.wikipedia.org/wiki/Diamond_(gemstone)

   A diamond with facets cut only a few degrees out of alignment can result in a poorly performing stone. For a round brilliant cut, there is a balance between "brilliance" and "fire". When a diamond is cut for too much "fire", it looks like a cubic zirconia, which gives off much more "fire" than real diamond. A well-executed round brilliant cut ...

6. 813-karat diamond was just sold as the most expensive diamond ...

   www.aol.com/news/2016-05-09-813-karat-diamond...

   The 813-karat diamond (which is roughly 407 times the size of the average US engagement ring, for reference) was mined from Lucara's "Karowe" mine in Botswana in late November of last year.

7. List of largest rough diamonds - Wikipedia

   en.wikipedia.org/wiki/List_of_largest_rough_diamonds

   This is a partial list of the largest non-synthetic diamonds with a rough stone (uncut) weight of over 200 carats (40 grams). [1] The list is not intended to be complete—e.g., the Cullinan (formerly Premier) mine alone has produced 135 diamonds larger than 200 carats since mining commenced.