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Qiming CVD/Hpht Rough Diamond for Sale
Description
Basic Info.
| Model NO. | Qiming |
| Shape | Oval |
| Color | Transparent |
| Carat | 0.2-10 CT |
| Usage | Decoration |
| Shipment Mode | DHL/FedEx/UPS/TNT/EMS |
| Name | Lab Grown Diamond |
| Hardness | 10 |
| Delivery Time | 3-7days |
| Transport Package | Carton Box |
| Specification | 0.2ct-10ct |
| Trademark | qiming |
| Origin | Henan, China |
Packaging & Delivery
Package Size 10.00cm * 20.00cm * 10.00cm Package Gross Weight 1.000kgProduct Description
Good Quality White Raw Lab Grown Diamonds Uncut Hpht Rough Synthetic StonesProduct DescriptionOur lab-grown diamonds are produced by HPHT cubic press machine, just as the photo showed, this is the process of diamond producing, in order to realize the best production capacity,the operator adjusts the parameters of diamond growth by using an electronic control system.Lab-grown diamonds have the same chemical charactoristics with natural diamonds, and compared with natural diamonds, it's more economy-effective and environment-friendly, so the market for lab-grown diamonds is expanding.CVD diamonds are produced by chemical vapor deposition, and HPHT diamond means using high temperature and high pressure machine to simulate the process of crustal movement growing diamonds.Compared with CVD diamond, the production cycle of HPHT diamond is shorter and the yield is higher, meanwhile, the color of the HPHT diamond can almost reach D,E,F color, which is better than CVD diamond.The process of diamond production:1. Preheating preparation;2. Put the synthetic block, and find the temperature field, according to the crystal performance to confirm whether the pressure and temperature are appropriate;3. Check the specific synthesis situation;4. After confirmation, put synthetic block and complete diamond growth;5.Finally, the diamonds will be acid-washed, sorted, registered and stored.
Detailed PhotosProduct Parameters
| Uncut Lab Grown Rough HPHT Diamonds | |||
| Certificate Type | GIA IGI NGTC | ||
| Color | White DEF | ||
| Clarity | VVS--VS--SI | ||
| Carat Weight | 0.2~12ct | ||
| Hardness | 10 | ||
| Delivery time | Delivery within 3-5 days after payment | ||
Once you place your order and pay for it, we will contact the courier company, and deliver the goods in the safest way as soon as possible.
Company Profile
FAQ
Q: Are you a trade company or manufacture?
A: We are a manufacture company, we not only produce our own HPHT rough diamonds, and also produce cubic press machine, if you are interested in our HPHT machine, pls also feel free to contact us.
Q: What products can I buy from your company?
A:We now can provide HPHT rough diamond, polished HPHT diamond and lab-grown diamond jewellery, we can offer a competitive price as we are a manufacture.
Q: How to place an order?
A:Just send an inqury to us, and tell us your demands for HPHT diamond, we will try our best to provide professional and fast service with you.
Q: How do you ship and how long does it take?
A:We usually use UPS, DHL and ohter logistics company to ship goods, usually it will take like 3-5days to ship the goods.
Our Contact
