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2. How Much Is a Diamond Worth? How To Find the Value of ... - AOL

   www.aol.com/finance/much-diamond-worth-value...

   Each carat is further divided into 100 points. For example, a 50-point diamond is a half carat, while a diamond weighing a whole gram would tip the scales at five carats. ... Diamond Price Range ...

3. Mohs scale - Wikipedia

   en.wikipedia.org/wiki/Mohs_scale

   Diamond (Mohs 10) is 1500 (off scale). Diamond was the hardest known naturally occurring mineral when the scale was designed, and defines the top of the scale, arbitrarily set at 10. The hardness of a material is measured against the scale by finding the hardest material that the given material can scratch, or the softest material that can ...

4. Material properties of diamond - Wikipedia

   en.wikipedia.org/wiki/Material_properties_of_diamond

   Diamond is a good electrical insulator, having a resistivity of 100 GΩ⋅m to 1 EΩ⋅m [32] (1.0 × 10 11 – 1.0 × 10 18 Ω⋅m), and is famous for its wide bandgap of 5.47 eV. High carrier mobilities [ 33 ] and high electric breakdown field [ 34 ] at room temperature are also important characteristics of diamond.

5. Diamond - Wikipedia

   en.wikipedia.org/wiki/Diamond

   [10] Above the graphite–diamond–liquid carbon triple point, the melting point of diamond increases slowly with increasing pressure; but at pressures of hundreds of GPa, it decreases. [12] At high pressures, silicon and germanium have a BC8 body-centered cubic crystal structure, and a similar structure is predicted for carbon at high pressures.

6. Knoop hardness test - Wikipedia

   en.wikipedia.org/wiki/Knoop_hardness_test

   A pyramidal diamond point is pressed into the polished surface of the test material with a known (often 100 g) load, for a specified dwell time, and the resulting indentation is measured using a microscope. The geometry of this indenter is an extended pyramid with the length to width ratio being 7:1 and respective face angles are 172 degrees ...

7. 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 ]