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Big Size Synthetic Pure White Rough HPHT Diamond For Jewelry
Synthetic diamond, also known as cultured diamond, cultivated diamond or artificial diamond, is produced using an artificial process.
These diamonds exhibit similar properties like natural diamonds and can be manufactured at a lower cost.Now we have the technology to grow diamonds under the environment of HPHT( the high pressure high temperature)and cvd. This kind of synthetic diamonds have the same optical, physical and chemical properties as natural diamonds.And this diamond protect environment,it is becing more and more popular now.
Synthetic polished white diamond is grown in laboratory by HPHT technology, which is by simulating the natural diamond growing environment. This kind of lab grown diamond has the same character of natural diamond, such as transparent color, high clarity and same crystalline structure. With the development of technology, lab created diamond can be used in jewellery with value close to natural diamond
It's growth mechanism determines every grain of diamond crystals grown under laboratory conditions has a uniqure feature , that can grow out of color,clarity achieve top quality (D color,VVS clarity)crystals,what's more,we can also produce diamonds in different colors by using different doping processes .
Our products depend on advance technology and have high quality,so you can purchase it rest your heart.
| Product | Size(mm) | Clarity | Color | Usage |
| White HPHT Diamond | 1.0mm-6.0mm | S1,S2,VS,VVS | E,F,G,H | Jewelry |



Packaging Details:
Plastic bags with bubble sheet covered in paper cartons or as per your requirement
Delivery Time:
3-6 working days after receiving the payment

Henan Sparkle Superhard Materials Co.,Ltd is a high-tech company,located in Zhengzhou,China.lt has got cooperation with Materials Research Center in Zhongyuan University of Technology and Henan University of Technology.
We mainly engaged in superhard materials with superior quality,and our main products include Big Size White Rough Synthetic Diamond (HPHT&CVD), Yellow HPHT Synthetic Diamond, Polycrystalline Diamond Products, Grinding Wheel. At the beginning of company established, we insist on creating an independent brand and aim to be the most reliable supplier for the world's superhard materials and jewelry applications, so we introduced a large number of advanced technology and manufacturing facilities. As a result of years of development experience, we already have abundant capital, advanced technology and sufficient talents to provide customers with satisfactory products and services. Besides, We have maintained a friendly and stable business relationship with India, Hongkong, South Korea, Russia,Australia, the United States and other regions long-term .
Customer’s demand is the direction of our efforts, and we are willing to provide the most professional and full services for customers from all over the world.



When you send an inquiry to us
1.In time response on email and telephone calls.
2.Try our best to solve all the customers' questions
When you choose us as your supplier
1.Implement quality control in all aspects of the producing process.
2.Providing qualified products in strict accordance with the contract
3.Best price at the same quality.
4.Provide a large amount of production to meet customer needs any time
When you visit our company
1. We will dispatch a car to pick up customers at the airport
2.Our staff will assist clients in booking hotels, shopping and excursions
3.Once you need,we can pick you up anytime in Zhengzhou City
4.To provide you with the most professional services
Why us :
1. cost -effective way and fast service to meet yor satisfaction
2. Adequate stock for you
3. reasonable price and high quality to provid for you
4. real people to answer your questions what you really want to know

1. Are you a factory or a trading company?
We are manufacturer. Our factory in Luoyang and sales company in Zhengzhou.
2.Which size is available ?
Yellow color available size is 1mm to 7.50mm
White color available size is 1.2mm to 6.5mm ,but now have more bigger size ,0.8-1.8ct.
3.Is your parcel reliable?
We have a stable cooperation with logistics company, and each batch of goods are strictly packed before delivery. Or according to the customer's request.
1.It can be used for diamond ring,watch,lead clip,etc.
2.It can be used for femate decorations,rings,necklaces,pendant.
3.It can be used in high grade products,boutique cup,diamond card and other elaborate design group.

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