In the diamond world prices rarely are based on sound reasoning. Color carat weight clarity cut. Published quarterly antique cut diamond prices for old mine cut old european cut and rose cut michelsen gemstone index published quarterly diamond including colored diamond and colored stone prices michelsen rough diamond pricing guide. 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. Idex online diamond price index published weekly online diamond prices only michael goldstein ltd.
Not only are larger stones more expensive but gems cut in stock sizes known in the trade as calibrated sizes also tend to be more expensive. Therefore a 1 carat stone may cost 1 000 while a 2 carat stone may cost 4 000. The igs gem price guide covers commonly traded colored gemstones as well as more unusual collectible gems. Our value charts are based on accurate and up to date information on average retail prices. Average retail prices dec 2020.
For each gemstone we provide a detailed and comprehensive value chart which will help you evaluate its price based on the following criteria. Indeed for some gems such as diamonds ruby and sapphire the price per carat can increase exponentially as the carat size increases. Burmese rubies command the highest price. Why is a clean untreated 10 carat amethyst only 60. Stones that are recut or even exported before cutting are worth more per carat than native cut rubies.
RELATED ARTICLE :
Here you will find a comprehensive list of gemstones that we sell here on gem rock auctions. Gemstone prices are puzzling even to many people in the gem trade. In today s market there are literally hundreds of gemstones to choose from. The values listed below are based on a variety of sources including primary and secondary gemstone dealers jewelers miners and wholesale suppliers. According to this formula a 1 carat stone may cost 1 000 while a 2 carat stone may cost 4 000.There is no set price range for colored gemstones. For instance the price difference between a diamond of vs2 clarity color h 1 carat and that of vs2 clarity color g 1 carat is 1000. The pricing process becomes emotional. 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. Rubies are a relatively rare gemstone.
Why does a reasonably nice 1 carat heated sapphire sell for 500 while a fine untreated 6 carat tourmaline goes for 250. Why does a reasonably nice 1 carat heated sapphire sell for 500 while a fine untreated 6 carat tourmaline goes for 250. There is no set price range for colored gemstones. Here you will find a comprehensive list of gemstones that we sell here on gem rock auctions. For each gemstone we provide a detailed and comprehensive value chart which will help you evaluate its price based on the following criteria.
Rubies are a relatively rare gemstone. Not only are larger stones more expensive but gems cut in stock sizes known in the trade as calibrated sizes also tend to be more expensive. In the diamond world prices rarely are based on sound reasoning.
