The highest quality diamonds are found in the earth.
'Value' implies a transaction for money. The largest and most spectacular diamonds in the world generally do not change hands for money; they change hands as gifts or often, spoils of war. The highest quality, gem-quality diamonds have been found in South Africa and Zaire. These include the Cullinan Diamond, and the Millenium Star, respectively. Other spectacular diamonds have been found in India. You can read more about these named diamonds, below.
Most gem-quality diamonds found are about the size of a vegetable, the pea. The largest diamond found to date is the Cullinan Diamond, a mighty excess of 3,000 carats: it fit into the palm of a grown man's hand. It was found in 1906. Larger gem-quality diamonds are found, but they are rare. The process of forming diamonds occurs far below the earth's surface, deep within the earth's mantle. Why the diamonds formed there are 'small' is a mystery only Mother Nature can answer.
Diamond 'connoisseurs' prefer Type IIa diamonds, which are found in India and in South Africa. Type IIa diamonds are the purest form of diamond, containing zero impurities. From Wikipedia: "Type IIa diamonds make up 1-2% of all natural diamonds (1.8% of gem diamonds). These diamonds are almost or entirely devoid of impurities, and consequently are usually colourless and have the highest thermal conductivity."
For a 'colourless' or 'white' diamonds, the highest colour grade is D; for coloured diamonds, the highest colour grade is Fancy Vivid.
Sea shells are not known as a source for diamonds.
Most gem-quality diamonds found are about the size of a pea.
'Value' implies a transaction for money. The largest and most spectacular diamonds in the world generally do not change hands for money; they change hands as gifts or often, spoils of war. The highest quality, gem-quality diamonds have been found in South Africa and Zaire. These include the Cullinan Diamond, and the Millenium Star, respectively. Other spectacular diamonds have been found in India. You can read more about these named diamonds, below.
Diamonds come in all sizes: 20% of which are gem-stone quality, the remainder are industrial diamonds. Most diamonds are tiny: gem-stone quality diamonds must be larger than most diamonds found, because of their use. Gem-quality diamonds must be visible, which is not true for industrial diamonds. Your answer, then, by logic, dictates that most diamonds an average diamond is much smaller than a pea.
They are rare (in part because supply is artificially restricted by owners of diamond mines and other wholesale diamond merchants), and they last virtually forever.Another AnswerEighty percent of all diamonds mined are industrial diamonds, which are not expensive. Gem-quality diamonds can be expensive. Supply of gem-quality diamonds is unrestricted, if you have the money to purchase them. The finest, highest-quality gem-stones are indeed rare.
'Chocolate diamonds' is a trade name for brown diamonds. Brown diamonds are the most common colour of gem-quality diamonds found everywhere on earth except Europe and Antarctica.
AAA is the highest quality of gemstones or diamonds (usually lab created… other diamonds have their own digits! You’ll know
Most gem-quality diamonds found are about the size of a vegetable, the pea. The largest diamond found to date is the Cullinan Diamond, a mighty excess of 3,000 carats: it fit into the palm of a grown man's hand. It was found in 1906. Larger gem-quality diamonds are found, but they are rare. The process of forming diamonds occurs far below the earth's surface, deep within the earth's mantle. Why the diamonds formed there are 'small' is a mystery only Mother Nature can answer.
Only 25% of diamonds mined are gem quality: the remaining 75% are industrial diamonds, which is another term you could use for low quality diamonds.
Depending on what other initials are being used to describe the stone, it's possible that FY means fancy yellow -- the highest quality of yellow colour in diamonds, and IF stands for internally flawless -- the highest clarity in diamonds.
Brown diamonds are the most common colour of diamonds mined, of gem-quality. Only about 20% of all diamonds mined are of gem quality.
Tiffany & Co. ensures the highest quality diamonds, ethical sourcing, lifetime warranty, affordable price options, and that they'll always be there for you. All this information and more can be found on their website. Hope this helps!
Diamonds are classified as industrial -- about 80% -- and gemstone quality, the remainder. Gemstone quality diamonds are classified according to cut, clarity, colour and carat weight.