Zhengzhou Abrasive Grinding Research Institute (ZZSM), was established in 1958. It is the only comprehensive research and development institution in the Chinese abrasive and grinding industry.
- Product Details
- {{item.text}}
Quick Details
-
Diamond Certificates:
-
IGI
-
Certificate NO.:
-
as certificate
-
Polish:
-
Excellent
-
Clarity:
-
VVS2
-
Application:
-
Jewelry Decorations Rings Earring Necklace
-
Type:
-
first clarity Loose Diamonds
-
sample orderr:
-
acceptable
-
PAYMENT TERM:
-
Paypal.Western Union TT
Quick Details
-
Place of Origin:
-
Henan, China
-
Brand Name:
-
Deino
-
Model Number:
-
lab diamonds
-
Diamond Certificates:
-
IGI
-
Certificate NO.:
-
as certificate
-
Polish:
-
Excellent
-
Clarity:
-
VVS2
-
Application:
-
Jewelry Decorations Rings Earring Necklace
-
Type:
-
first clarity Loose Diamonds
-
sample orderr:
-
acceptable
-
PAYMENT TERM:
-
Paypal.Western Union TT

Products Description


Product Item
|
Lab Grown Diamond
|
Size
|
0.01-10 Carat
|
Color
|
White(DEF, GH);Pink;Yellow;Blue
|
Cut
|
3EX-VG
|
Shape
|
Round;Oval;Cushion etc.
|
Certificate
|
IGI,NGIC
|
Certifications

Our Advantages
Guoji Jinggong Co., Ltd. (Guoji Jinggong) was established in 2001, with stock code 002046. The company is affiliated with China Machinery Industry Group Co., Ltd. (Sinomach), a Fortune Global 500 company.
In 1963 and 1965 ZZSM Successfully developed China's first artificial diamond and China's first six-sided top press.
In 2016, ZZSM developed and manufactured CVD diamond.
1993 and 2015, the "National Engineering Technology Research Center for Ultra hard Materials and Products" and "State Key Laboratory for Ultra hard Materials Abrasives" were respectively established by ZZSM.
Reasons to choose Incubation Drilling
Cultivated diamonds can save consumers more than 60% compared to natural diamonds Cultivated diamonds of the same quality cost one-eighth of the price of natural diamonds
Hot Searches