Jewelry Learning Center
Diamond Color Actually Means Lack of Color The diamond color evaluation of most gem-quality diamonds is based on the absence of color. A chemically pure and structurally perfect diamond has no hue, like a drop of pure water, and consequently, a higher value. G
GIA’s D-to-Z diamond color-grading system measures the degree of colorlessness by comparing a stone under controlled lighting and precise viewing conditions to master stones of established color value.
GIA’s diamond D-to-Z color-grading scale is the industry’s most widely accepted grading system. The scale begins with the letter D, representing colorless, and continues, with increasing presence of color, to the letter Z.Many of these color distinctions are so subtle that they are invisible to the untrained eye; however, these distinctions make a very big difference in diamond quality and price.
Diamond Clarity Refers to the Absence of Inclusions and Blemishes Natural diamonds are the result of carbon exposed to tremendous heat and pressure deep in the earth. This process can result in a variety of internal characteristics called ‘inclusions’ and external characteristics called ‘blemishes.’
The GIA Diamond Clarity Scale has 6 categories, some of which are divided, for a total of 11 specific grades.
Flawless (FL) – No inclusions and no blemishes visible under 10x magnification
Internally Flawless (IF) – No inclusions visible under 10x magnification
Very, Very Slightly Included (VVS1 and VVS2) – Inclusions so slight they are difficult for a skilled grader to see under 10x magnification
Very Slightly Included (VS1 and VS2) – Inclusions are observed with effort under 10x magnification, but can be characterized as minor
Slightly Included (SI1 and SI2) – Inclusions are noticeable under 10x magnification
Included (I1, I2, and I3) – Inclusions are obvious under 10x magnification which may affect transparency and brilliance
A Diamond’s Cut Unleashes Its Light. Diamonds are renowned for their ability to transmit light and sparkle so intensely. We often think of a diamond’s cut as shape (round, emerald, pear), but a diamond’s cut grade is really about how well a diamond’s facets interact with light.
Precise artistry and workmanship are required to fashion a stone so its proportions, symmetry, and polish deliver the magnificent return of light only possible in a diamond.
DIAMOND CARAT WEIGHT
Diamond carat weight is the measurement of how much a diamond weighs. A metric “carat” is defined as 200 milligrams.
Each carat can be subdivided into 100 ‘points.’ This allows very precise measurements to the hundredth decimal place. A jeweler may describe the weight of a diamond below one carat by its ‘points’ alone. For instance, the jeweler may refer to a diamond that weighs 0.25 carats as a ‘twenty-five pointer.’ Diamond weights greater than one carat are expressed in carats and decimals. A 1.08 carat stone would be described as ‘one point oh eight carats.
An enduring element found naturally in a distinct yellow color. Gold has an extraordinary heritage with unique qualities. Gold is resistant to rust, tarnish, and corrosion. Although gold is very strong, it’s also the most malleable of all precious metals. Pure gold is too soft for everyday wear, so it is alloyed with a mixture of metals like silver, copper, nickel, and zinc to give it strength and durability.
Relatively soft, very malleable. Pure silver, also called fine silver, is commonly combined with other metals to produce a more durable product. The most popular of these alloys is sterling silver, which consists of 92.5 percent silver and 7.5 percent copper. Although any metal can make up the 7.5 percent non-silver portion of sterling, centuries of experimentation have shown copper to be its best companion, improving the metal’s hardness and durability without affecting its beautiful color.
Tarnish-resistant with a substantial feel in weight. Tungsten is nearly impossible to scratch or wear down, so even the most delicate details are well-defined and polished after years of wear. Four times harder than titanium, tungsten retains its polish longer than almost any other metal. A practical and beautiful choice for gardeners, or anyone who works actively using their hands.
A bright white metal that is highly scratch resistant. Made from a highly durable alloy, cobalt is four times harder than platinum while at the same time, less dense. Because of its natural hardness, cobalt jewelry is extremely scratch, chip and corrosion-resistant. Its lower density and natural malleability allow for strong, dynamic designs with less weight. Cobalt is also hypoallergenic, making it an ideal choice for those with sensitive skin or an active lifestyle.
This metal will last forever, making it the ultimate symbol for true, enduring, and everlasting love. Platinum is durable. Its density makes it the most secure setting for your diamond or precious gemstone. All our platinum rings are crafted with platinum prongs for setting loose diamonds. Because platinum is a naturally white metal, re-plating is unnecessary; it will always hold its beauty.
Palladium is a rare precious metal, treasured for its brilliant silver-white surface that can be polished to a high mirror-like shine. Palladium wedding rings are extremely durable and resistant to tarnishing, extreme heat, and exposure to many types of chemicals. The strength of palladium makes it a preferred metal, along with platinum, for use in ring settings.
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