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.Know More
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
The weight of a gemstone is measured by carats. The definition of a carat has changed over time, but the international standard for the weight of 1 carat is 200 milligrams, according to Zales Diamond Store. The diameter of a 1-carat diamond is about 6.5 millimeters.Full Answer >
The diameter of a one-carat round or brilliant cut diamond typically measures between 6.4 and 6.5 millimeters. The term carat refers to weight not size, so a one-carat diamond doesn't need to conform to specific measurements.Full Answer >
A 2-carat diamond has a width of 8.2 mm in the round brilliant cut. However, it is important to remember that 2-carat diamonds with different cuts typically have differing size measurements.Full Answer >
The price range for 1-carat diamonds is between $3,080 and $26,950 per carat. The price of a 1-carat diamond depends on many factors and can therefore vary greatly.Full Answer >