How is our DNL stone different from CZ?
Our Diamond Nexus Labs (DNL) stone is different from a CZ stone in four key ways: weight, hardness, coating, and
chemical composition. These differences result in a superior DNL stone with qualities much closer to that of a mined diamond.
Weight:
Our DNL stone weighs 15% to 20% more than a CZ stone of the same size.
Hardness:
Our DNL stone is very hard. The chemical composition of CZ makes it a softer, more porous stone. For example: over time, as you wear
a CZ stone, it will absorb the oils in your skin, the soap you use to wash your hands, etc... Eventually, the CZ will appear yellowish
and lose its fire and ability to disperse light. Due to the softness of the stone, the facets of the stone will also wear down with use.
A Diamond Nexus gemstone is closer to the properties of a mined diamond. As such, it will not chip, fade, or lose its brilliance over time
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Coating:
A lot of companies sell a common CZ and put a coating on their product as a way to differentiate it. Sometimes the language used is "diamond infused",
"diamond hybrid" or "sealed in a diamond". The coating they are referring to is called "DLC", which means "diamond-like coating". This coating process
has been around for years, and the "diamond" coating being referred to is "amorphous carbon" which is really pencil lead. When a stone is coated with
amorphous carbon, the coating must be exceedingly thin as to be essentially non-existent. Otherwise, the stone would be discolored.
At DNL, we also have a coating on our stones. The DNL coating material is Corundum and other proprietary materials which is substantial, visible under
microscopy, and has important measurable physical characteristics. The coating seals the stones surface, greatly lowers porosity, and makes the stone
impervious to outside contaminants. It also increases the hardness and the ability of the stone to resist scratches. Here you can see an example of our
coating which depicts its thickness at 131.2nm, over 130,000 times thicker than our competitors.
Chemical Composition:
CZ or cubic zirconia contains just two elements: zirconium and oxygen. Diamond Nexus gemstones are comprised of (in order of atomic weight):
Carbon (C)
Sulfur (S)
Iron (Fe)
Calcium (Ca)
Cobalt (Co)
Nickel (Ni)
Yttrium (Y)
Zirconium (Zr)
Gadolinium (Gd)
Hafnium (Hf)
Please click here to see a lab report on our stones from an independent test facility.
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