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The Todaygem.com Learning Center was created to make you become more
comfortable and knowledgeable in evaluating and selecting your
gemstone and jewelry. It contains some of the fundamental information
you should know before purchasing any jewelry, including the 4C's
and how to buy a diamond, descriptions of precious and semi-precious
gems, the properties of different types of metals and tips on how
to care for your jewelry.
Care: With
a few basic precautions, you can reduce the risk and extend the
beauty of your jewelry.
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Every colored gemstone has its own quality
and choosing the right one is always challenging. Explore the value
behind each gem in our collection. Learn how to judge its color,
flaws, transparency, and clarity as well as how it's treated and
how to care for it.
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Just as wood furniture needs to be lacquered,
most type of gemstones are treated in some way or the other to enhance
their appearance, durability, or color before they are offered on
the market.
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Gemstone color grading is somewhat more difficult
than clarity, as the standard grading method is used in grading both
colorless gemstones (e.g. diamond and silver topaz) as well as colored
gemstones (e.g. ruby and emerald).
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Clarity is the term used to describe the
internal quality and the presence of identifying characteristics
on and within a stone. Inclusions are characteristics which are entirely
inside a stone or that extend into it from the surface.
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Cutting style refers to the way in which
a gemstone is cut or faceted. Gemstone cutting is based on science.
Each gem material has a known refractive index which allows a gem
cutter to determine how light rays will bend as they pass through
the stone.
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As the weight of a gem increases, so does
its price per carat – per carat cost of a stone can be calculated
by dividing stone cost by carat weight. Large gems are always rarer
than smaller ones, so per carat prices rise exponentially.
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Cleaning your jewelry is the most important
step in keeping your fine jewels as bright as the day you received
them! The easiest way to safely clean your gemstone is to wash it
in warm water using mild liquid soap and dry it with a lint-free
cloth.
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Have any of your stones fallen out of their
settings? Have you ever wondered if your gold jewelry is really gold?
Familiarize yourself with the different types and grades of precious
metals commonly used in the industry and learn how to judge different
mountings and settings.
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The jewelry glossary section is specially developed for the jewelry learning center, It is to provide detailed information about naming standards, insider terms and knowledge share of the attributes of a gemstone, different kinds of gold and the specific jewelry made of these materials.
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