Where to Buy Lab Grown Diamond from Factories in China
Author:liliang Time:2017-12-19 09:28:23
Where to Buy Lab Grown Diamond from Factories in China
Firstly, We would like make a brief introduction of Lab Grown Diamond.
What is Lab Grown Diamond?
---it is lab created diamond, not mined from underground.
laboratory simulated the growth of diamond underground,with high pressure high temperature and carbon materials, inside a cubic press with same working principle of natural diamond growed underground.
it is crystallized instantly by carbon element,with pressure of 50-70 thousand kPa, and 1200--1800 degree celsius deep underground.
Difference between natural diamond and Lab Grown Diamond?
We all know that, diamond is the hardest materials around the world,and main chemical content of diamond is carbon with high density. diamond created from carbon with other materials, that is why diamond with impurity inside or outside. purity and color grade are the main principles for sorting diamond.
Purity standard of diamond: VVS, VS, SI,etc,
Color grade of diamond: D, E, F, G, H, I , J, G, etc.
When we understand the diamond growth principle,then we should know the different levels of diamond from impuriy and color grade. Nomatter natural diamond or Lab Grown Diamond, they are all have impurity and lower color grade. but the purity and color grade of natural diamond uncontrollable, quality of them depends on the growth environment at that time.
the quality of Lab Grown Diamond are controllable,we can get the clean lab created diamond from laboratory.Engineer control the formula and the growth temperature, pressure, finally get the exactly grit size we need, the quality we are looking for.
the technology still need time to a make breakthrough for bigger size, like 2carat per pcs, 3carat per pcs, 5carat per pcs, 10carat per pcs, etc.
Where to buy Lab Grown Diamond?
There are two types of Lab Grown Diamond: One called CVD Diamond; another called HTHP Diamond, they are all belong to Synthetic Diamond.
HTHP=high temperature high pressure.
CVD=chemical vapor deposition.
The production method is differently, and the quipments differerntly too.
In the market of Synthetic Diamond for jewellery, mainly are HTHP Diamond.
Right Now, there are three big factories in China who produce the HTHP Lab Grown Diamond.
All of the three factories in Henan Province, and office in Zhengzhou city. Captial of Henan province.
(1).Huanghe, production range mainly are small size, from 1mm to 2mm, 2-2.5mm, 2.5-3mm.
(2).Liliang, production range mainly focused on bigger size, they are 0.2-0.4carat, 0.4-0.6carat, 0.6-0.8carat, 0.8-1carat, 1-1.5carat, etc.
(3).Sino-Crystal.
So correct address for buying Lab Grown Diamond, it is Zhengzhou city, Henan province.
Any requirement, please come to our office to check the superior Lab Grown Diamond, Our Factory name is "HENAN LILAING DIAMOND CO., LTD" Which is located in Zhecheng Industrial Zone, Shangqiu city, Henan provice.
Our office in CBD of Zhengzhou city. No.8 of Shangwu Nei Huan Road, Zhengdong new district, Zhengzhou, Henan province, China.
Website: www.llgem.com
Tel: +86-371-55656502, ext.802
Lab Grown Diamond from LiLiang Factory, with good shape and high polishing rate, 40%.