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www.leibish.com/frequently-asked-questions-about-black-diamonds-article-563

The most famous black diamond of all time is the Black Orlov, a 67.50 carat, cushion-cut diamond brooch surrounded by 108 white diamonds and suspended from a 124-diamond necklace. Legend has it that the Black Orlov, also known as the "Eye of Brahma" was an uncut black diamondof 195 carats, pried out of the eye of the statute of the sacred Hindu ...

www.naturallycolored.com/buying-guide/black-diamonds-value

The answer is yes and no. Treated or enhanced black diamonds are extremely cheap. While I'm writing these lines I went to eBay and encountered listings offering 1 carat black diamonds for as low as $100-$200 per carat and accordingly a treated black diamond ring (or engagement ring) can cost as little as $200 to a $1,000 - depending on complexity of the design and the melee white diamonds you ...

www.gemrockauctions.com/.../single-colored-diamonds/black-diamonds

black diamonds are natural After the magma cooled, it solidified into blue ground or kimberlite, where precious rough diamonds are still found today. They are a highly sought after precious gemstones, which for centuries have been widely used in the creation and encrustation of jewellery and everyday items.

www.worthy.com/appraisal/black-diamonds

Whether you are looking to purchase or sell a black diamond or black diamond jewelry, you should learn about black diamonds value. One way to determine a black diamond’s value is by having it appraised by a professional appraiser. A very important thing to have in mind is that an appraisal won’t reflect the absolute value of a black diamond.

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

A diamond is one of the best-known and most sought-after gemstones. Diamonds have been used as decorative items since ancient times; some of the earliest references can be traced back to 25,000 - 30,000 B.C. The hardness of diamond and its high dispersion of light —giving the diamond its characteristic "fire"—make it useful for industrial ...

www.worthy.com/.../diamonds/the-ultimate-guide-to-black-diamonds-value

The gemstone’s actual formation remains a mystery, as science has yet to prove any of these black diamond origin theories. Black Diamond Value. Many people are curious about the value of black diamonds. As with other gemstones, much depends on origin, authenticity, size, and other factors.

www.thepearlsource.com/blog/most-valuable-gemstones

That’s a factor that significantly impacts their value of them. Other important factors include size, grade, and color. Here is the list of the 10 most valuable gemstones in the world. 10 Most Valuable Gemstones in the World. These gemstones made it to the list because they have the highest prices per carat. Tanzanite—$1,200 per carat

www.diamonds.pro/education/diamond-prices

Diamond Prices. Diamond prices can vary hugely depending on a diamond’s shape, cut quality, clarity and color. For example, the cost of a one carat diamond can range from just $1,500 to more than $16,000 for an extremely well cut, high quality diamond, while a two carat diamond could cost as little as $6,000 or as much as $80,000 based on its shape, cut, clarity and color grades.

www.ebay.com/b/Loose-Black-Natural-Diamonds/3824/bn_1520840

Make Offer - 3.40ct Black Diamond - Natural Loose Fancy Black (Not Treated) Color Round 3.35 ct Natural Black Color Loose Diamond Round Brilliant Cut GLA Certified $5,000.00

www.gemsociety.org/article/diamond

The International Gem Society (IGS) has a list of businesses offering gemstone appraisal services. Colored Diamonds Value via Gem Price Guide. .6 - .10 carats. .10 - .24 carats. .25 to .33 carats. .35 to .50 carats. .51 to .74 carats. Note: these prices are for natural black diamonds. Most black diamonds on the market are treated to color ...