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  1. Oct 11, 2016 · Natural-color black diamonds typically are completely opaque, with a high luster that gives the stones an almost metallic appearance. And because these diamonds are so heavily included, cutting and polishing them can be difficult. They also must be set with great care.

  2. Black diamonds are special colored gems known for their mystical charm and unique sparkle. They are created by "carbonados," which cause inclusions that make the diamonds opaque. While these black diamonds can be made in labs using ethical practices, natural black diamonds are more valuable and prestigious.

  3. Black is a color that can say a lot. Wearing black diamond jewelry communicates a sense of unique strength and confidence while simultaneously being elegant and versatile.

  4. Frequently Asked Questions. What are black diamonds? The opaque color of black diamonds is caused by dark inclusions or, more commonly, by color treatment. Most black diamonds are treated to become a green that’s so dark it appears black, but not opaque.

  5. Mar 18, 2021 · Black diamonds symbolize eternal, flawless and unchanging love making them perfect for a diamond engagement ring. Black diamonds are also associated with passion, action and energy. Some facts to check before buying a black diamond.

  6. Black diamonds are real diamonds, though their distinctive black color sets them apart from other precious stones. Two of the most popular black diamonds are Carbonado and Salt and Pepper Diamond. They are composed of carbon atoms like all real diamonds, but what makes them unique is the presence of graphite inclusions that give off a dark hue.

  7. www.gia.edu › gia-news-research › gia-researchers-look-inside-black-diamondsGIA Researchers Look Inside Black Diamonds

    Feb 1, 2019 · The black hue in many naturally colored diamonds is caused either by exposure to radiation or by inclusions of sulfides, graphite, magnetite, hematite or iron-bearing materials. Many treated black diamonds are so heavily irradiated that they look black, but instead are extremely dark green.

  8. Jan 3, 2022 · Black diamonds (a.k.a Carbonados or Dark Diamonds) are one of the toughest natural diamonds. They are a microporous form of polycrystalline diamonds comprising a fair amount of diamond, amorphous carbon, and graphite.

  9. Sep 20, 2023 · In this technical guide, we will delve into the characteristics, formation, and diverse applications of black diamonds. From their composition and geological origins to their industrial and high-tech uses, we will explore the fascinating world of these enigmatic gemstones.

  10. Oct 29, 2021 · “Black diamonds represent power, strength and rebellion,” says Brazilian designer Ara Vartanian, who loves to set them upside down with the pointed tip protruding upwards to enhance their “architectural structure” in avant-gardist designs, also mixing sapphires, emeralds and rubies.