The average cost of a half-carat diamond is between $1,500 and $2,500, as of September 2014. While size is an important factor, cut, color and clarity also play a role when pricing diamonds.Continue Reading
Some diamond experts believe that the cut should be the first thing to consider when purchasing a diamond. If the diamond has flaws concerning color and clarity, the cut can make up for it. A well-cut diamond offers a brilliant sparkle.
Diamonds that weigh a little less than a half-carat do not cost as much as those that are exact. For example, buyers pay less for a 0.48 carat diamond than they do for a 0.50 carat, and there is no visible size difference.Learn more about Precious Metals & Gems
Naturally black diamonds are extremely rare and can have a very high value, depending on the cut, color, clarity and carat size of the diamond. The most accurate way to learn the value of a black diamond is to have it appraised by a jewelry appraiser or a jeweler.Full Answer >
Diamonds do not come from coal, and the diamond forming process generally does not even involve a form of coal. Coal is a rock that is formed by sediment, and diamonds are formed through igneous sources.Full Answer >
To determine the value of a diamond, note its color, clarity, cut and carat. Diamonds are more valuable when they have less color, lack spots and imperfections, have higher cut grades and weigh more. Compare each of these four factors to reach an actual market value of a diamond.Full Answer >
Determining the quality of a diamond involves the consideration of its cut, clarity, color, carat size and certification. Certification through an accredited organization, such as the American Gem Society or the Gemological Institute of America, lets the buyer know that the diamond being purchased has the qualities that the seller claims that it has.Full Answer >