A diamond's overall proportions, as well as the size and placement of its facets, greatly affect how the stone captures and reflects light. Fire Mountain Gems and Beads® offers the classic round brilliant cut.
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Inclusions occur inside the stone and are similar to fingerprints, a characteristic that gives us all a special signature. Getting to know your diamond makes the stone a more personal possession and will help you describe and identify the gem. Some inclusions affect the diamond's clarity, making it less brilliant because they interfere with light as it passes through the stone.
Some of the most common types of inclusions include: crystal, mineral, pinpoint and feathers inclusions. Pinpoint inclusions are tiny light or dark crystals in diamonds that appear by themselves or in clusters and large clusters of minute pinpoints can create a hazy area in the diamond. Feathers are cracks within the stone that resemble feathers. Small feathers do not usually affect a diamond's durability unless they reach the surface on the top of the stone (a location that's prone to accidental blows).
The term ''carat'' dates back to the traders of the ancient world. A standard weight was required for precious gems as merchants of the ancient Mediterranean and Middle East were dependent on the ability to trade with a reasonably consistent unit of measurement. It was this need that led to the adoption of seeds and grains as widespread units of measurement.
The carob seed and the wheat grain, both of which had been used for food purposes were found to be ideal units of weight. For centuries the carob seed remained the weight measurement for precious gems. By the Middle Ages, however, changes in the trade routes had occurred and large centers of trade were now found within Europe. The carat, as it had become known, became linked to 4 grains Troy weight, with the carob seed having been abandoned at some point during the shift of trade centers. The Troy carat was the equivalent of approximately 205 milligrams. This measurement of weight lasted for the carat until the 20th century. It was between 1907-1914 that the carat was married to the metric system of weights. By 1914 the United States officially abandoned the former Troy measurement of 205.3 milligrams for the carat, and adopted the current metric carat measurement of 200 milligrams.
Care and Cleaning
The word ''diamond'' is derived from the Greek word ''adamas,'' meaning invincible. Even though diamonds may be the hardest substance known, they still need proper care and cleaning.
Diamond jewelry is best stored in individual jewelry cases, cloth pouches or in a fabric-lined jewelry box with separate dividers and compartments. This will prevent diamond jewelry from being scratched or damaged or scratching other gemstone materials they may rest next to.
Be sure to keep your diamonds separated from one another as they are the only material that can cut or scratch another diamond easily.
Lotions, soaps, powders, perfumes and hairspray can diminish a diamond's sparkle and abrasive cleaning products can dull the setting. In general, diamond jewelry can be cleaned in ultrasonic and liquid jewelry cleaners, using a soft bristle brush to clean beneath the setting.
Diamonds have been implicated in international conflicts and weapons trades. Diamond grades are verified by certified GIA (Gemological Institute of America) Graduate Gemologists. Diamond jewelry is made in the USA. All diamonds comply with the Kimberley Process, an internationally recognized certification program that regulates the trade in rough diamonds.
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