Monthly Archives: March 2016
Diamonds and gemstones are cut into many different shapes, each with their own aesthetic and cutting requirements. While diamond and gem shapes are sometimes referred to as the cut (for example an emerald-cut diamond), the cut refers to how a jeweler cuts the gemstone to achieve its symmetry and proportion. Most people are familiar with the round solitaire diamond and common “fancy” shapes — which refer to a gemstone .
To many, cut is considered the most important of aspect of a gemstone’s quality and value. Diamond cut affects some of its optical and physical properties including how it reflects light and “sparkles.” The Diamond Cut Process Diamond cut refers to how the jeweler physically cuts the diamond stone into its shape and to the proportions and symmetry that achieve optimal light dispersion, which affects a diamond’s quality and .
Diamonds come in every color of the spectrum, but the most popular are colorless. Truly colorless, pure white diamonds are extremely rare and, therefore, the most costly. Laboratories, like the Gemological Institute of America (GIA), grade stones according to how far they deviate from the purest white as one of the diamond 4Cs. The best way to see the true color of a diamond is by looking at it .
A diamond’s clarity, one of diamonds 4Cs, is affected by any external and internal characteristics created by nature when the diamond was formed or as a result of the cutting process. Characteristics such as internal spots or lines are called inclusions. Although these marks make each stone unique, the fewer the inclusions, the more valuable the stone. Inclusions can sometimes interfere with the passage of light through the stone, .
Carat weight is one of the 4Cs of diamonds that measures measures a diamond’s weight and size. The term “carat” is derived from the carob seeds that were used to balance scales in ancient times. Today’s metric carat is equal to 200 milligrams, or one-fifth of a gram, and there are approximately 142 carats to an ounce. Carats are further divided into points. There are 100 points in a .