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2. Diamond (gemstone) - Wikipedia

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

   Diamond[ a] is a gemstone formed by cutting a raw diamond. Diamonds are one of the best-known and most sought-after gems, and they have been used as decorative items since ancient times. The hardness of diamond and its high dispersion of light —giving the diamond its characteristic "fire"—make it useful for industrial applications and ...

3. Moissanite - Wikipedia

   en.wikipedia.org/wiki/Moissanite

   Moissanite ( / ˈmɔɪsəˌnaɪt /) [5] is naturally occurring silicon carbide and its various crystalline polymorphs. It has the chemical formula SiC and is a rare mineral, discovered by the French chemist Henri Moissan in 1893. Silicon carbide or moissanite is useful for commercial and industrial applications due to its hardness, optical ...

4. Carbonado - Wikipedia

   en.wikipedia.org/wiki/Carbonado

   Carbonado. Typically black, can be grey, various shades of green and brown sometimes mottled. Carbonado, commonly known as black diamond, is one of the toughest forms of natural diamond. It is an impure, high-density, micro-porous form of polycrystalline diamond consisting of diamond, graphite, and amorphous carbon, with minor crystalline ...

5. Herkimer diamond - Wikipedia

   en.wikipedia.org/wiki/Herkimer_diamond

   Herkimer diamonds are double-terminated quartz crystals discovered within exposed outcrops of dolomite in and around Herkimer County, New York, and the Mohawk River Valley in the US. [1] [2] They are not diamonds; the "diamond" in their name is due to both their clarity and well formed faces. Because the first discovery sites were in the ...

6. What Are the Key Differences Between Lab-Grown and Natural ...

   www.aol.com/key-differences-between-lab-grown...

   “Lab-grown diamonds are created in state-of-the-art laboratories, rather than being mined from the earth,” says Pahlajani. “They undergo the exact same process that carbon does in nature to ...

7. How 2023 became the year of the lab-grown diamond - AOL

   www.aol.com/news/2023-became-lab-grown-diamond...

   Structurally identical to mined stones, sales of man-made diamonds were up 38% in 2022 to just under $12 billion. With their hype only growing, should legacy jewelry brands be worried?

8. One of the largest U.S. diamonds was mined in Larimer ... - AOL

   www.aol.com/news/one-largest-u-diamonds-mined...

   The Freedom Diamond, the largest faceted diamond to originate in the U.S., was mined from Northern Colorado in 1997. Now, it's in our nation's capital One of the largest U.S. diamonds was mined in ...

9. Synthetic diamond - Wikipedia

   en.wikipedia.org/wiki/Synthetic_diamond

   Synthetic diamond. Lab-grown diamonds of various colors grown by the high-pressure-and-temperature technique. Laboratory-grown ( LGD ), also called lab-grown diamond, [1] laboratory-created, man-made, artisan-created, artificial, synthetic, or cultured diamond, is diamond that is produced in a controlled technological process (in contrast to ...