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 measurem... More »

A 1-carat diamond ring is a piece of jewelry that features a 1-carat weight diamond or multiple diamonds totalling 1 carat affixed to a circular band, which is usually made out of a precious metal. The ring is meant to b... More » Beauty & Fashion Jewelry & Watches Rings

A 1-carat cubic zirconia (CZ) is not the same size as a 1-carat diamond, because the densities of the two materials are not equal, so the size of the two cannot be equal. Cubic zirconia is denser than a diamond, and when... More »

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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. More »

A diamond, made of pure carbon, is both a jewelry gemstone and a durable material in industry. There are two types of diamonds: gem diamonds and industrial diamonds. More »

A diamond gauge measures the width, length and depth in millimeters of a diamond or other gemstone. More advanced diamond gauges also give the user an accurate carat weight for the stone. Others require the use of a conv... More »

A champagne diamond is either a white diamond that has a yellow tint to it or a yellow-brownish diamond that has very light coloring. A tinted white diamond isn't as valuable as a clear white diamond, and the champagne t... More »