A pure spinel is white, but is most often seen in many different colors, such as red, pink and black. Spinels are well-known for replicating rubies when red in color. The white spinel is rare and, "relatively unknown to the common consumer," says GemTradeNet. Like cubic zirconias, white spinels have also been used as a replacement for diamonds. Specifically, a 925 stamp means that 92.5% of the metal in that ring is sterling silver. The remaining 7.5 percent is composed of metal alloys, which is a mixture of other metals called silver alloy (like copper). The silver alloys are fused with silver to create jewelry quality durability. Fine silver jewelry is pure silver, or stamped 999. Cubic Zirconia vs Diamond. Diamonds are highly coveted because of its immense value and magnificent beauty. But difficulties in production and increasing market demand has led Russian scientists to come up with a substitute gem that comes very close to real diamonds ‘“ the Cubic Zirconia.
To the naked untrained eye, a Cubic Zirconia looks just like a diamond, but CZ is much more affordable. While a flawless 1 carat diamond would cost about $7, 000, a flawless 1 carat CZ can be
CZ has a density of 5.65 – 5.95, while diamond has a density of 3.52 ±0.01, meaning cubic zirconia is a denser gemstone, making it heavier than diamond. In other words, a CZ and a diamond of the same carat weight will not be of the same size. The cubic zirconia will be slightly smaller than the diamond.
Zircon vs. Cubic Zirconia – Light performance Zircon has very high sparkle, luster, dispersion and a relatively high refractive index (RI) of 1.93 – 1.98. In other words, it plays excellently with light, making it a brilliant and fiery stone, comparable to a diamond.
The only difference between mined diamonds and lab grown diamonds is the origin of the diamond. Grown diamonds and mined diamonds have the exact same physical properties. A cubic zirconia is not a diamond. It is merely a diamond simulant, meaning that it looks similar but not exactly like a diamond. In fact, a cubic zirconia contains zero
Cubic zirconia ranks between 8.0 and 8.5 on the Mohs scale, whereas diamonds rate as tens, meaning they're among the world's hardest substances. While cubic zirconia is a comparatively hard stone, it lacks the resilience and durability of diamonds. Prone to chipping, scratches, and other forms of external damage, you must wear it with care.

CZ vs Diamond. CZ is an acronym that stands for Cubic Zirconia, the crystalline form of zirconium dioxide. It has a close visual likeness to diamond and because of this fact CZ remains the major competitor to diamonds in terms of cost.

Want to know the difference between cubic zirconia, moissanite and diamonds? While each stone has its place in the jewelry world, nothing can compare to the
Available on the jewelry market since 1976, CZ is created from zirconium dioxide, making it heavier than a natural diamond. The added weight makes it more difficult for light to pass through the stone easily, giving the CZ a lower refractive index (and therefore less brilliance) than the natural diamond. While the affordable price of the CZ is While the CubicZirconia.com CZ stone looks like a diamond and possesses many diamond-like qualities— to the degree that even jewelers with decades of experience cannot visually tell the difference between a high-quality CZ and a perfect diamond by simply comparing the two side by side with the naked eye alone— Cubic Zirconia is NOT a diamond. Although it isn’t scientifically a diamond, moissanite looks almost identical to the naked eye. Only a trained professional can tell the difference between it and a diamond. Since it’s so easy to create in a lab, moissanite stones cost a fraction of the price of a nature-made diamond. They’re also softer and may require maintenance Unlike lab-grown diamonds, which are identical to mined diamonds in structure and made almost entirely of carbon, cubic zirconia is made from zirconium dioxide. Russian scientists first discovered how to grow cubic zirconia in labs in the 1970s. Within a few years, manufacturers around the world were making their own cubic zirconia diamond XVJCg3.
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