£2
A carat, in relation to diamonds, is a unite of mass that is equal to 0.2 grams. Meaning a 4 carat diamond weighs just over .8 grams and an 8 carat diamond is 1.6 grams.
The rating is apparently 5 8 carat diamond studs in 14 [K] gold with VVS1 clarity, according to your certificate.
Whatever you have to sell is worth what someone will pay you for it. Best practices dictate that you take your diamonds to a certified gemologist and pay for documentation for each diamond, according to each's cut, colour, clarity and carat weight. Then you will be better able to establish a market price for them.
The value of a diamond depends on its cut, its clarity, its colour and its carat weight. You can buy a round, fairly high-quality stone today on Blue Nile in the 10-carat range (8 carat or 12 carat) and spend US$1.1 or US$1.2 million. A local jeweler may be able to show you the stone you want to buy. If you have a diamond of this size and want to sell it, best practices dictate that you pay for a certified gemologist to document the diamond's characteristics. This will help you establish a price for your diamond.
A 1.75 carat diamond billiant cut is about 7.8 mm and a 2.00 carat stone is about 8.2 mm at the girdle. In order to know the exact carat weight of a stone, one must take it to a certified gemologist and ask that it be removed from its setting and weighed.
Today, the only yellow diamonds available for sale on the Internet in that carat-weight range with GIA certificates are are:5.03 Carat Fancy Yellow, Cushion, VVS1, US$56,92811.01 Carat Fancy Yellow, Radiant, VS1 US$252,900So, the diamond you want to buy will cost you somewhere in that range.If you're selling such a diamond, best practices dictate that you pay for a GIA certificate, which will give you an approximate value of the stone, based on its individual characteristics, as above.
The price of an 8-carat emerald can vary significantly based on its quality, color, clarity, and origin. On average, high-quality emeralds can range from $10,000 to $50,000 per carat, making an 8-carat emerald potentially worth between $80,000 and $400,000 or more. However, specific valuations should be determined by a certified gemologist.
Carat is a tolerated unit of mass for jewelry and precious stones: 4 carat is o,8 g.This is approx. equivalent to 0,4.10e23 atoms of carbon.
Diamonds are measured in carats: karats are used to measure metal purity. Whatever you have to sell is worth whatever someone will pay you for it. Each diamond is valued according to its cut, clarity, colour and carat weight. A single eight carat diamond will be more valuable than eight carats of total weight in diamonds. Take your cache to a certified gemologist and pay for documentation on each stone. Then you will have a better idea of a market value.
The value of an 8-carat ruby can vary significantly based on factors such as color, clarity, origin, and overall quality. Generally, high-quality rubies can range from $5,000 to $15,000 per carat or more, which could place an 8-carat ruby in the range of $40,000 to $120,000 or higher. However, exceptional specimens with deep color and minimal inclusions can command even higher prices. For an accurate valuation, it's recommended to consult with a certified gemologist or appraiser.
As of August 4, 2014 one gram of 8 karat gold is worth 13.80. The prices and value for gold change often and are dictated by the economy and demand.
Half a carat is .50, and a quarter of a carat is .25, therefore 3/8ths of a carat is .375