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diamond jewelryDiamond is the hardest known natural material. Diamonds are the third-hardest known material after aggregated diamond nanorods and ultrahard fullerite. Diamond's hardness and high dispersion of light make it useful for industrial applications and jewelry. Diamonds are specifically renowned as a material with superlative physical qualities. |
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| Diamond is an allotrope of carbon. It is the hardest known natural material and the third-hardest known material after aggregated diamond nanorods and ultrahard fullerite. Its hardness and high dispersion of light make it useful for industrial applications and jewelry. Diamonds are specifically renowned as a material with superlative physical qualities — they make excellent abrasives because they can be scratched only by other diamonds, Borazon, ultrahard fullerite, or aggregated diamond nanorods, which also means they hold a polish extremely well and retain their lustre. Diamond is the hardest natural material known to man - its hardness set to 10 (hardest) on Mohs scale of mineral hardness[6] and having an absolute hardness value of between 90, 167, and 231 gigapascals in various tests. Diamond's hardness has been known since antiquity, and is the source of its name. However, aggregated diamond nanorods, an allotrope of carbon first synthesized in 2005, are even harder than diamond. The hardness of diamonds contributes to its suitability as a gemstone. Because it can only be scratched by other diamonds, it maintains its polish extremely well, keeping its luster over long periods of time. Unlike many other gems, it is well-suited to daily wear because of its resistance to scratching—perhaps contributing to its popularity as the preferred gem in an engagement ring or wedding ring, which are often worn every day. Industrial use of diamonds has historically been associated with their hardness; this property makes diamond the ideal material for cutting and grinding tools. The diamond is the birthstone for people born in the month of April, and is also used as the symbol of a sixty-year anniversary, such as a Diamond Jubilee |
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Sasha DIAMONDSSasha Jewelry wants you to understand what you're buying. The four most popular factors used to measure diamond quality are cut, color, clarity, and carat weight.Diamond ShapeA diamond’s cut and shape are sometimes easily confused. The cut describes a diamond's performance in light, dimension and finish. The overall outline of the diamond when viewed from the top is it’s shape. Round is the most popular diamond shape, followed by squared shapes such as princess, Asscher, and emerald. Sasha primarily uses round and squared-shaped diamonds, with a variety of settings.Round diamonds The round, or brilliant cut diamond is by far the most popular diamond shape available today. For almost 100 years, diamond cutters have been using advanced theories of light behavior and precise mathematical calculations to optimize the brilliance in a round diamond. A round diamond will typically give you more flexibility in terms of balancing cut, color, and clarity grades while still getting the fire and brilliance you want. Sasha uses round diamonds throughout our hoop and charm designs. Squared diamonds The square diamond takes many shapes, including the Princess, Asscher, Emerald, and Radiant. Princess diamonds This is a very popular non-round diamond. Its beautiful brilliance and unique cut makes it a favorite for engagement rings. The princess has pointed corners and is traditionally square in shape. When choosing a color grade, consider that while the price of a J-color non-round diamond is exceptional, color may be slightly visible in its corners. Also, princess-cut diamonds can vary greatly in how square or rectangular they are. Asscher diamonds Invented in the early 20th century by the Asscher Brothers of Holland, an Asscher cut is a modification on the cushion cut, which was popular in the 19th century. The brothers invented a square to rectangular cut with a flat tabletop surface, many small step cuts along the top area, and larger longer facets underneath the diamond. Asscher cuts are parallel to each other, and unique in that attention to the exact ratio between the diamond's depth and the table sizes is key to brilliance. The newest interpretation of the Asscher cut has 74 precisely placed facets that truly reveal an unsurpassed depth and beauty. Emerald diamonds The pavilion makes this shape different. It is cut with rectangular facets to create a unique optical appearance. Due to its larger, open table, this shape highlights the clarity of a diamond. Emerald-cut diamonds can vary greatly in how rectangular they are. If you'd prefer an emerald cut with a squared outline, look for an Asscher-shaped diamond. Radiant diamonds Trimmed corners are the signature of this diamond, and they help make the radiant-cut a popular and versatile choice for jewelry. A radiant-cut looks equally beautiful set with either baguette or round side-diamonds. Radiant-cut diamonds can vary in their degree of rectangularity Diamond Cut A diamond's cut is considered to be the most important of the four Cs. It is important to understand how a diamond's proportions and the relationship between them affects its sparkle or brilliance. A diamond gets its brilliance by cutting and polishing the diamond facets to allow the maximum amount of light that enters through its top to be reflected and dispersed back. When all the angles are correct, the light that enters is dispersed back through the diamonds top facets. Sasha Jewelry carries only the highest grades of diamond cut to ensure maximum brilliance. While there are a number of factors by which a diamond’s cut is characterized, the cut is often graded by two key measurements: depth and table percentage. Its depth percentage is a measurement of the height vs. the width of the stone, and its table percentage is a measurement of the diameter of the top facet of the stone vs. the stone's average width. Experts express differing opinions on the best table size (the diameter of the largest facet on the top of the stone) and the best depth for a diamond, because these factors alone are not sufficient to accurately judge its cut. Other factors - crown angle, girdle thickness, pavilion depth-percentage (the ratio of depth to girdle diameter), culet size, polish and symmetry - also play a role in judging a diamond's overall cut quality. Clarity Diamonds with few flaws, or inclusions, are very rare and highly valued. The clarity is graded based on the number, location, size, and type of the inclusions found in a diamond. Diamonds that are absolutely clear are the most sought-after and therefore the most expensive. However, many diamonds have inclusions — scratches, trace minerals or other tiny characteristics that may impede the clarity of a diamond. Diamond Color Diamond color is one of the most important factors to consider, as it is noticeable to the naked eye. A diamond's color is graded by G. I. A. on an alphabetical scale from D-Z, with D being absolutely colorless and Z being light yellow. Beyond Z, a diamond is considered to be a Fancy color. Although many diamonds appear to be colorless, the many of them have at least a hint of body color. D diamonds with very little color are the most highly valued and are priced accordingly. Diamond Weight Diamond weight is measured in carats, and each carat is divided into 100 points. A half-carat stone may be referred to as a 50-pointer or 50-points. Carat weight is the easiest of the 4 C's for gemologists to determine because of the use of sophisticated measuring equipment. Two diamonds of equal carat weight might vary greatly in value depending upon their cut, color and clarity. This is important because when mounted, one diamond may appear larger than the other, although they actually weigh the same. Because large diamonds are rare, they generally have a greater value per carat. For example, the price of a two-carat stone will be several times higher than four half-carat diamonds of equal quality. Since larger diamonds are more rare than smaller diamonds, diamond value tends to rise exponentially with carat weight. When diamonds are mined, large gems are discovered much less frequently than small ones, which makes large diamonds much more valuable Diamond Care Diamonds are extremely hard and resistant to damage. However, everyday wear can take a toll on your diamonds. They are uniquely resistant to damage by heat or scratching, and can be cut or polished only by another diamond — but an extremely hard blow to the girdle can cause a diamond to chip. Ordinary wear, including the use of hand lotions and hair care products and simple household work, can all cause buildup that can leave a hazy film on your diamond. This buildup will eventually cause your brilliant and gorgeous diamond to appear dull. To keep your diamonds looking their best, they require the proper attention and care. Exposure during ordinary wear to perspiration and household chemicals, like soap, shampoo, chlorine and hairspray, can cause buildup that dulls the surface of a diamond. 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