Keep in mind that this number is just a starting point. There is no set price range for colored gemstones.
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.
Cost of gemstones. In general gemstone countertops start at around 100 per square foot. For example they can cost 15 000 for a single carat but up to 70 000 per carat if it s a larger stone. As implied above gemstone countertops are not cheap.
Available with cash on delivery. The yield from even well shaped rough material is typically only about 25. Here you will find a comprehensive list of gemstones that we sell here on gem rock auctions.
Indeed for some gems such as diamonds the price per carat can increase exponentially as the gem size increases. In order to overcome the weight loss in addition to the cost of cutting a cut gemstone is more valuable than rough. To make it easy figure a rough gem is the same value as shown below but it is at least 4 times as heavy and its size is at least 1 25 larger than indicated.
The smithsonian institute owns what is believed to be the largest faceted alexandrite in the world a cushion cut stone weighing 65 08 carats valued at over 4 million. There are less than 30 red diamonds. The values listed below are based on a variety of sources including primary and secondary gemstone dealers jewelers miners and wholesale suppliers.
In the precious stone category it is still possible to buy nice blue sapphires from madagascar africa and sri lanka starting at around 200 per carat. This means that good quality sapphires and rubies in larger sizes tend to have a much higher price per carat. Therefore a 1 carat stone may cost 1 000 while a 2 carat stone may cost 4 000.
We provide loose gemstones gemstone rings gemstone pendants and more. How much do gemstone countertops cost. The igs gem price guide covers commonly traded colored gemstones as well as more unusual collectible gems.
The list of gemstones below will discuss the difference between a precious stone and a semi precious stone as well as guide you to where the gemstone treatments are discussed. In our view there are still many good value items available on the gemstone market. The price for the same colored gemstones may vary from as little as 10 per carat upto even 10000 per carat depending upon the quality and several other factors.
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