best quality CVD diamond hpht diamond polished diamond manufacture
1,DETAIL DESCRIPTION
Lab grown HPHT/CVD diamond are manufactured, diamond-like crystals.The manufacturing processes work to duplicate the pressure and temperature of the natural diamond-producing environment. The formation process is initiated by forcing a chemical reaction, through adding a catalyst to carbon, and placing the mixture in high-pressure cells. Then, the mixture is cooled and washed with acid, which results in a synthetic HPHT diamond.
Quality of lab grwon HPHT/CVD diamonds can vary from inferior to superior to the natural diamond, depending upon the technology and individual manufacturing processes. The methods used in the production of synthetic diamonds are high pressure high temperature (HPHT) OR Chemical Deposition Method
Polished diamond applications:
polished lab grown HPHT/CVD loose diamond are usually applied as a gemstone alternate to natural diamonds for jewelry decoration and production. its hardness is 10 moh's almost same as natural diamond.
2,SPECIFICATION
weight:0.003ct-4cts
clarity: IF VVS VS SI
color: D E F G H
3,USEFUL
A, RING
B,NECKLACE
C,TURE PICTURE
PACK BY PLASTIC BAG THEN BUBBLE PACK THEN IN CARTOB BOX
SAMPLE SERVICE
OEM IS WELCOMED
QUCKLY DELIVERY
24 HOURS WAITING FOR YOUR INQUIRY AND SHIPPING SAFE
Henan Yuda crystal co.,ltd is a high-tech company mainly engaged in synthetic diamond and its related products. Being the first class in superabrasive area is our lasting aim. We have scientific management idea, perfect management procedure and excellent team, which guarantee the leading position of our products in this area. We can meet different needs of different clients. Our main products include: Synthetic diamond (big size diamond, small size diamond grit, synthetic diamond mono plate, diamond powder,green rvd, CVD diamond )
1.what color of hpht diamond you have ?
we have yellow color and white color
2.what's the hardness of the diamond ?
hardness is 10
3. which size available?
polished 0.003CTS TO 4CTS
3.after polishing which quality it belong to ?
belong to VVS VS SI grade DEFGH color.