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is Cubic Zirconia?
Cubic Zirconia (or CZ)
is zirconium oxide (ZrO2 ), is widely synthesized for use as a diamond
simulant and it is a lab made created stone with a specific gravity of between
5.6-6.00 and at about 8.5 hardness on Mohs scale, which is harder than most
natural gems. Its refractive index is high at 2.15 - 2.18 (B-G interval) and its
luster is very good. Its dispersion is very high at 0.058 - 0.066, exceeding that
of diamond (0.044).
here for more information about cubic zirconia
Zirconia (CZ) vs. Natural Diamond
(CZ) is so optically close to diamond that only a trained eye can easily
differentiate the two. There are a few key features of CZ which distinguish it
from diamond, some observable only under the microscope or loupe. For example:
Dispersion: With a dispersive power greater than diamond (0.066
vs. 0.044) the more prismatic fire of CZ can be seen by even an untrained eye.
Hardness: CZ has an 8.5 on the Mohs Hardness Scale vs. a rating
of 10 for diamonds. Meaning CZ can only be scratched by sapphires or diamonds.
Specific gravity: CZs are heavyweights in comparison to diamonds;
a CZ will weigh about 1.7 times more than a diamond of equivalent size. Obviously,
this difference is only useful when examining loose stones.
Contemporary production of cubic zirconia is virtually flawless. Whereas
most diamonds have some sort of defect, be it a feather, included crystal, or
perhaps a remnant of an original crystal face (e.g. trigons).
index:G> CZ has a refractive index of 2.176, compared to a diamonds 2.417
is Synthetic Stones?
Synthetic gemstones are grown in a laboratory
instead of being formed in the ground by nature. They are physically and chemically
identical to natural-grown gems but cost much less to produce and to buy.
Just like natural gems, synthetics vary tremendously in quality and it takes
several months to create a batch of gems. Using low-quality processes, synthetic
sapphires and rubies can be created for less than a dollar a carat, whereas high-quality
synthetics can cost a hundred times more to create and sell for several hundred
dollars a carat at retail.
High quality emerald, as well as the less common aquamarine,
morganite, and beryl, can be lab grown by the hydrothermal method. It uses a water
solution at very high temperature and pressure and takes several months to create
a batch of gems. That’s one of the reasons higher quality created gems cost
so much more.
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Can I combine items and ship them together? How much does it cost?
Yes you can. There is not any charge from us for this combining. Please kindly inform
us by email which items would you like to combine and ship them together.
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*) Credit Card: We accept Visa and Mastercard .
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What is your Refund Policy?
We never refund for Custom Made Gems for it is especially made and cut for you.Please place
a Sample Order first to see the cut and justify the quality before placing bulk
orders to avoid any dispute and misunderstanding between both parties. Postage
will not be refunded.
Please email us: firstname.lastname@example.org
for your further inquires.