Welcome to LOGOS

LOGOS specializes in White Cubic Zircornia / CZ.

With 30 Years of experience,

LOGOS carries White CZ / Cubic Zircornia out
of CZ Family with varieties of shape and sizes.

Among the potential buyers are Gold & Silver manufacturers and wholesaler.
Individuals and retailers can purchase our products as well.
We strive to offer you the broadest selection of Cubic Zircornia

while providing each customer with incomparable services.

"SUPER & SUPER Quality"
White CZ / Cubic Zirconia

• More than 30 Years Experiences !
• S-Cut - AAAAAAA(7 Stars Quality)
• Super Quality CZ for Diamond Jewelry sample line
• All over the world cover for valuable customer?
• Free Sample Stone

What is Cubic Zirconia?

1 : Cubic conversion chart

Cubic zirconia and Diamond are visually identical, but they are totally different isotopes and weight.

At same size, Cubic Zirconia is approximately 1.6 ~1.7 times heavier than Diamond stone.
Here is the conversion chart fo Cubic Zirconia.

Roughly CZ Conversion Chart
( Round shape / MM size)

Size CZ/CT Size CZ/CT Size CZ/CT Size CZ/CT
1.00 0.010 2.25 0.085 4.00 0.400 6.50 1.685
1.25 0.013 2.50 0.115 4.50 0.620 7.00 2.125
1.50 0.025 2.75 0.155 5.00 0.820 7.50 2.750
1.75 0.040 3.00 0.205 5.50 1.110 8.00 3.495
2.00 0.065 3.50 0.320 6.00 1.350 8.50 3.850

2 :Cubic Zircornia / CZ

* Hardness : 8.5
* Refractive index : 2.150 ~ 2.175
* Dispersion : 0.060
* Crystallin form / Specific Gravity : ZrO2

Interested in our business?

Have any questions?

Contact Information

148 s, Gramercy Pl. # 3 Los Angeles, CA 90004 U.S.A.
( 323 ) 463 - 1234 ( 866 ) 505 - 8010 ( In U.S.A / Toll Free )