

These are called fancy diamonds and, generally, the more intense the colour, the more the stone is worth. Although colourless diamonds tend to be most popular, the gemstone actually comes in a variety of colours, including yellow, pink, blue and green. Formed under intense pressure and temperature deep below the Earth’s surface, diamonds have remarkable optical dispersion, which means the gemstones disperse a spectrum of different colours, giving them their incomparable sparkle.

Made of just one element – carbon – a diamond’s structure makes it almost 60 times harder than anything else found in nature and it can only be cut by another diamond. We are, of course, talking about the diamond. Most cut red beryl stones weigh under 1 carat. The average price per carat is $10,000 per carat for high-quality material.If you’re an April baby then you are lucky enough to call the queen of all gems your birthstone. Large red beryl specimens are so rare that they often remain uncut and sold to collectors as specimens. If you come across a high-quality red beryl stone with excellent clarity and a lot of carat weight, you're likely dealing with a synthetic. Beware that synthetic red beryl has been produced. Much like emeralds, red beryl often has inclusions present, but they don't necessarily impact the gemstone's overall value. Red beryl is not a variety of emerald but rather an entirely different gemstone with its own classifications. Coined by some as the red emerald, this rare gem is very difficult to find due to the unique conditions required for this stone to form. Despite being found in two locales, gem-quality red beryl has only been mined in Utah. It was first discovered by Maynard Bixby in 1904. Red beryl is an extremely rare variety of beryl that has only been found in Utah and New Mexico. Smaller stones that are less than 1 carat can reduce the price per carat significantly. The average price is $3,800 per carat for stones with medium blue tones. Don't expect to find stones greater than 3 carats. Stones that are too light will look washed out. Stones that are too dark will not reflect the light well. You'll want to find a stone that has a medium body tone with a cut that maximizes the stone's fire. You'll have to do some due diligence to find a trustworthy and legitimate source to purchase benitoite. The stone has been misidentified as spinel in the past, but was eventually re-examined and reclassified due to the high level of brilliance of the gemstone. It became the official gemstone of California in 1985. It was first discovered in the early 1900s by George D. This sapphire-blue gemstone has only been found in San Benito County, California. Most everyday jewelry lovers will never be able to see the true beauty of benitoite. Matteo Chinellato - ChinellatoPhoto / Getty Images The Average price per carat is $2,500 per carat. It may be worth considering since the stone ranks 8-8.5 on the Mohs Scale of Hardness, making it more durable than amethyst. If you're willing to spend some time searching, you can get a very remarkable and rare taaffeite gemstone. Though amethyst isn't as brilliant, the color is very comparable. If you want the look of taaffeite but don't want to pay for a collector's item, consider purchasing well-cut versions of amethyst in a lilac color. The gemstone is so scarce, it is considered over 1 million times more rare than a diamond. Most material is not suitable for faceting, making it even more difficult to source. Taaffeite has only been found in Sri Lanka and Tanzania. Taaffe's observation marks the first gemstone that was discovered as a faceted gemstone and not as gemstone rough. Spinel does not refract light in the same way this gemstone does. Prior to his discovery, taaffeite was considered spinel. The light violet gemstone was discovered in 1945 by Australian gemologist Richard Taaffe. Taaffeite is a rare gemstone that most people have never heard of due in large part to how rare it is. DonGuennie (G-Empire The World Of Gems) - Own work, CC BY-SA 3.0, Link
