Hpht Rough Lab Grown Diamonds 3.0-4.0 Carat
Product Description
Lab Grown HPHT 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 lab grown diamond. Quality of lab grwon HPHT diamonds can vary from inferior to superior to the natural diamond, depending upon the technology and individual manufacturing processes.
After polished, the Lab Grown HPHT diamond can be applied as a gemstone alternate to natural diamonds for jewelry decoration and production. its hardness is 10 moh's almost same as natural diamond.
They never lose their their shine or color and are also cut and polished in the same way as mined diamond ,they have the same lustre and fire as the mined diamonds .
| Diamond type | synthetic(lab cr) |
| Diamond shape | round |
| Diamond clarity | vs si |
| Size | 3.0-4.0 carat |
| Diamond color | white-def |
| Origin | China |
| Usage | Jewelry Decoration |
| Cut | excellent |
The goods will be packed by plastic bag then bubble pack then in carton box.
We are based in Henan, China, start from 2016,sell to Southeast Asia(20.00%),Africa(20.00%),South Asia(10.00%),Southern Europe(10.00%),Northern Europe(10.00%),Mid East(10.00%),Oceania(10.00%),South America(10.00%). There are total about 11-50 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Synthetic diamond,Diamond product,Lab grown diamond,Lab grown diamond jewelry,Diamond machine
4. why should you buy from us not from other suppliers?
We are specialized in the export and import business of lab grown diamonds for 10 years. Our products include synthetic diamond, diamond product, diamond tools. Quality is our life and your trust is our power. Good cooperating starts from trust.
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW；
Accepted Payment Currency:USD;
Accepted Payment Type: 100%T/T in advance
Language Spoken:English,Chinese
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.