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  2. Diamonds aren't as rare as you might think, scientists say - AOL

    www.aol.com/finance/2015-11-04-diamonds-arent-as...

    New research has led scientists to believe that diamonds may actually be easier to acquire than previously thought, and less expensive as a result. Diamonds aren't as rare as you might think ...

  3. Diamond (gemstone) - Wikipedia

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

    Oddly enough, diamonds graded Z are also rare, and the bright yellow color is also highly valued. Diamonds graded D–F are considered "colorless", G–J are considered "near-colorless", K–M are "slightly colored". N–Y usually appears light yellow or brown. In contrast to yellow or brown hues, diamonds of other colors are more rare and ...

  4. A Comprehensive Guide to Buying the Perfect Diamond Jewelry - AOL

    www.aol.com/comprehensive-guide-buying-perfect...

    All diamonds are graded on a scale from D—colorless diamonds—to Z—diamonds with a yellow or brown tint. While a D-graded diamond is often the most in-demand, a stone that falls in the middle ...

  5. Why do we put so much worth in diamonds? - AOL

    www.aol.com/why-put-much-worth-diamonds...

    SEE MORE: This 15-carat rare pink diamond sold for $31.5 million. He says despite being around for decades, it wasn't until recently that a lab diamond's quality, clarity and color has improved ...

  6. Diamond - Wikipedia

    en.wikipedia.org/wiki/Diamond

    Although diamonds on Earth are rare, they are very common in space. In meteorites , about three percent of the carbon is in the form of nanodiamonds , having diameters of a few nanometers. Sufficiently small diamonds can form in the cold of space because their lower surface energy makes them more stable than graphite.

  7. Material properties of diamond - Wikipedia

    en.wikipedia.org/wiki/Material_properties_of_diamond

    Type II diamonds have very few if any nitrogen impurities. Pure (type IIa) diamond can be colored pink, red, or, brown owing to structural anomalies arising through plastic deformation during crystal growth; [20] these diamonds are rare (1.8% of gem diamonds), but constitute a large percentage of Australian diamonds. Type IIb diamonds, which ...

  8. Rare blue diamonds may be Earth's deepest secret - AOL

    www.aol.com/news/2018-08-02-rare-blue-diamonds...

    Scientists analyzed 46 blue diamonds, including one that sold for $25 million in 2016, and determined that they can form at depths of at least 410 miles Rare blue diamonds may be Earth's deepest ...

  9. Diamonds as an investment - Wikipedia

    en.wikipedia.org/wiki/Diamonds_as_an_investment

    While most diamonds are sold through retail stores at high margin, investment diamonds are usually sold at auctions or privately. Diamonds in larger sizes are rare, and their price is dependent on the individual features of the diamond. Fashion and marketing aspects can also cause fluctuations in price.

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