To command this price, emeralds must be flawless to the naked eye and be highly transparent. The highest-quality emeralds are worth about $8,000 per carat. Emeralds vary a lot in price depending on the quality. Many of these gorgeous green stones are mined in South America, but emeralds are found worldwide. Benitoite can sell for as much as $4,000 per carat. Benitoite glows beneath ultraviolet light, but experts are still not exactly sure why. BenitoiteĮxclusive to the San Benito river in California, benitoite is lush blue in color that. Poudretteite typically runs about $3,000 per carat. Because of its soft makeup, the poudretteite is unsuitable for placement in rings, but it can be placed in earrings or brooches as long as its wearers are careful. The poudretteite is a soft-pink stone first found in Quebec, Canada. Most of them are mined in the Mexican States of Chihuahua, San Luis Potosi, Queretaro, Michoacan and Hidalgo. The fire opal can be dark red, dark orange or dark yellow. The vast majority of black opals are found in Australia.Īdditionally, there is a type of black opal, the fire opal, that is worth even more. It boasts about every color of the rainbow and, at about $2,350 per carat, is far more expensive than other opals.

The black opal is the most valuable member of the opal family. Taffeite ranges in color from purple to red and is found in china, Tanzania and Sri Lanka. More than a million times rarer than the diamond taffeite was named after Richard Taaffe, who identified the stone in a Dublin jewelry shop in 1945. Jeremejevite currently costs about $2,000 per carat. This gemstone was first discovered in Siberia, but Namibia is home to the highest-quality stones. Jeremejevite can be sky blue, pale yellow or completely colorless. Blue garnet is most prevalent in Madagascar and, as far as I can tell, goes for $1,500 to $2,000 per carat. Although there are tales of blue garnet selling for as much as $1.5 million, I was personally unable to confirm this. Blue garnetīlue garnet personally reminds me of the sapphire, but it has a slight greenish tint under sunlight. Royal dementoids are currently valued at around $2,000 per carat.

Dementoids were discovered in the middle of the 19th century in the mountains of west-central Russia and have since been sought after by royal families all over the world. They range in color from a deep green to yellow, and the yellow in the stones is caused by ferric iron. Royal dementiods resemble emeralds but are actually part of the garnet family. Interestingly, tanzanite is only found in Mount Kilimanjaro’s foothills and is currently valued at about $1,500 per carat. Said to be about 1,000 times rarer than diamonds, tanzanite is a deep-blue gemstone named after Tanzania, where it was discovered for the first time in 1967. Related: The Top 15 Most Dangerous Minerals Top 20 Rarest Gemstones In The World (In Order By Value) 1. I had a lot of fun putting this article together, and hope you enjoy it as well! Availability, time and the eagerness of owners to sell will all influence the sale price of gems. The truth is gemstones are worth whatever someone is willing to pay for them. It is important to point out that the values in this list (or any list of this nature) are not and can not be 100% accurate. Strangely, in my opinion, some of the most valuable stones are not as visually breathtaking as I thought they would be. In fact, there are at least a dozen gemstones far rarer and more valuable than diamonds. One thing is certain: Rarity is often a bigger factor in determining a gemstone’s value than mere looks. Initially, I thought this as well, but after a little research, I was amazed to learn that they’re not even close. The World’s Rarest and Most Valuable Gemstonesĭue to their high values, a lot of people think that gemstones like diamonds, emeralds, sapphires and rubies are the rarest in the world.

Purple gems