Topping our list of the most expensive diamonds in the world is the koh i noor. Additionally there is a type of black opal the fire opal that is worth even more. Blue diamond is no doubt a darling of precious stone collectors around the world. The largest loose diamond in the world is the paragon diamond weighing in at 137 82 carats while the pink star diamond is the most expensive gemstone to ever be sold at a whopping 83 million. It is the largest vivid pink diamond ever graded by the gia and was sold for 60 million at an auction in hong kong in 2017.
The diamond named the oppenheimer blue in honor of its previous owner sold for a final price of 57 5 million. Above we featured the diamond as one of the most expensive gemstones and coming in at number 1 with a price tag of over 1 million per carat is the red diamond. The blue diamond currently holds the record of the most valuable gemstone with a price of price about 3 93 million per carat. Jadeite 3 million per carat. Steeped in mystery and legend the stone is believed to have been mined in india in the 1300s.
The vast majority of black opals are found in australia. It s a 59 60 carat gemstone that was mined in 1999. It s an extremely scarce metal that possesses some unique qualities making it a highly valuable precious metal. The pink star diamond previously known as steinmetz pink is the world s most expensive gemstone. Though other types of warm toned garnet are considered common and inexpensive demantoid garnet is among the rarest and most valuable from that gem family you will have a hard time finding a demantoid garnet larger than 2 carats since most crystals are smaller.
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Jadeite 3 million per carat jadeite is a highly valuable precious stone in a gemstone family called jade. It boasts about every color of the rainbow and at about 2 350 per carat is far more expensive than other opals. Weighing in at a massive 105 6ct the most expensive diamond in the world is oval shaped. A of the most rare gemstones in rarest and most beautiful gems here are the top 10 rarest gems in precious gems bear messages from earth here are the top 10 rarest gems in top 10 rarest gemstone found on earth gems story10 of the world s rarest gemstones mental flossgeology of gemsa of the read more. The black opal is the most valuable member of the opal family.The black opal is the most valuable member of the opal family. Jadeite 3 million per carat jadeite is a highly valuable precious stone in a gemstone family called jade. The vast majority of black opals are found in australia. The diamond named the oppenheimer blue in honor of its previous owner sold for a final price of 57 5 million. Topping our list of the most expensive diamonds in the world is the koh i noor.