3 00ct 225 00 per carat. Musgravite 6 000 per carat. Up to 1 00ct 125 00 per carat. For instance if one carat costs 2500 a 0 5 carat diamond would cost 1250. However just because an opal is black doesn t make it valuable.
For each gemstone we provide a detailed and comprehensive value chart which will help you evaluate its price based on the following criteria. 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. Benitoite will give off strong fluorescence and shines a bright blue color. Up to 2 5 cts. Ngc price per carat indices the prices below are general indications only.
The per carat price increases as the weight and the quality increases. 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. The only true price is what a knowledgeable buyer and seller agree to as a transaction price. However we need to consider the other cs of a diamond color clarity and cut. Blue diamond is no doubt a darling of precious stone collectors around the world.
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Top of the range gem quality black opal can fetch prices up to aud 15 000 per carat. Color carat weight clarity cut. Alexandrite 12 000 per carat. Read more in our article on the value of opal. 1 00 2 00 ct.Average retail prices dec 2020. However exceptional stones may sell above these list prices. Most diamonds and gemstones will be offered at a discount to these lists. Jadeite 3 million per carat jadeite is a highly valuable precious stone in a gemstone family called jade. This rare gemstone is found in san benito county california where it got its name.
The blue diamond currently holds the record of the most valuable gemstone with a price of price about 3 93 million per carat. And for the classic colored gemstones the classic big three of colored gemstones rubies emeralds and sapphires the costs increase dramatically as the quality and size of the gem increases. We would calculate the price of that carat by multiplying 2500 x 0 5. There are many factors including brightness and pattern which determine the overal value of opal. The blue diamond currently holds the record of the most valuable gemstone with a price of price about 3 93 million per carat.
There are many factors including brightness and pattern which determine the overal value of opal. Average retail prices dec 2020. Top of the range gem quality black opal can fetch prices up to aud 15 000 per carat. The per carat price increases as the weight and the quality increases. For each gemstone we provide a detailed and comprehensive value chart which will help you evaluate its price based on the following criteria.
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We would calculate the price of that carat by multiplying 2500 x 0 5. 3 00ct 225 00 per carat.
