E F Color VVS VS 12Ct 12.5Ct 13Ct CVD Rough Diamonds For 4 Carat Polish Diamond

Square Shape E F Color VVS VS Clarity 12.0 Carat - 13.0 Carat CVD Rough Diamonds For Making 4carat Lab Grown Polish Diamond

CVD Rough Diamonds Description

Diamond is known as the hardest material in the world. According to the Mohs hardness scale, it is divided into 10 grades, and diamond is the highest grade. From the day when people know that diamond is composed of pure carbon, there are more and more researches on Lab Grown Diamonds. Now Lab Grown Diamonds industry has developed rapidly and is widely used in various industries.
There are two main methods to make lab grown diamonds. One is called HPHT(High Temperature and High Pressure) and another is CVD(Chemical Vapor Deposition)method.
High temperature and high pressure synthetic diamond technology originated in the 1950s, initially mainly used in aviation and military industry, in the last decade gem grade synthetic diamond in quality and cost has reached the level of marketization.

HPHT lab grown rough diamonds is produced by simulating the crystallization process of natural diamonds. When natural diamonds are formed in natural environment, there are often other elements mixed in, which makes some natural diamonds not completely transparent and will show specific colors. For example, some diamonds have a little pink, some with a little blue, some with a little bit of light yellow. Lab grown diamonds grow in the laboratory, which are less impurities than natural diamonds, so the purity and transparency will be higher.

Parameters of CVD Rough Diamonds

CVD Rough Diamonds​ Introduction

​Natural diamonds are created by nature and are the result of high temperature and pressure formed over billions of years. The Lab Grown Diamonds are produced in the laboratory, usually in a few weeks. The chemical difference between the two is same.

So how do you distinguish between Lab Grown Diamonds and natural diamonds?

There is no obvious difference between the Lab Grown Diamonds and natural diamonds. Even professional gemologists need special equipment to identify them. By zooming in, professionals will be able to discern subtle contrasts in diamond inclusions grown and mined in the laboratory.

CVD Rough Diamonds Details

Yuda Crystal is one of the world's leading lab grown diamond companies, mainly active in fields: Gem quality lab grown rough(Including HPHT and CVD) diamonds manufacturing and wholesale, lab grown polish diamonds manufacturing and wholesale, Industrial grade HPHT and CVD lab grown diamonds manufacturing and wholesale. We are a key player in the lab grown diamond business with regular clients. Our reputation in the lab grown diamonds market is based on both stable quality and quantity.

We are able to provide our clients with consistent supplies, offering them a full range of product categories in terms of size, quality and quantity.

Our priority at all times is to deploy our considerable resources to deliver consistently towards the success and growth of our clients businesses.

This dedication is rewarded by lasting relationship with our customers and partners based on mutual commitment, trust and integrity.