Synthetic Uncut Rough Diamond Gemstones

Basic Info

Usage	Decoration
Origin	Henan, China

Product Description

1carat up good quality Hpht Rough Lab Grown Diamond

Product 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

Packaging & Shipping

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

Luoyang Qiming Superhard Material wa founded in 1999, which ever belongs to CSR-Luoyang Locomotive Plant. We mainly focus on R&D, production and sales of synthetic diamond and high pressure high temperature (HPHT) cubic press.Our main products are: HPHT rough diamond, HPHT polished diamond, lab-grown diamond jewellery and HPHT cubic press machine. Nowadays, we are one of the most competitive enterprise of HPHT diamond.We warmly welcome customers from at home and abroad to cooperate with us for common success. We are looking forward to building long-term and cooperative relationships with you.
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.