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Diamonds, as a type of high-end jewelry, have long been worn only by the rich and elite. The good news is that with the development of science and technology, artificial lab-grown diamonds have reached the quality of natural diamonds, greatly reducing the purchasing cost for public people. Let more people afford this kind of light luxury jewelry. Wholesale and retail of lab-grown diamonds is a promising industry as lab diamonds become increasingly popular. 

Are you looking for a lab-grown diamond supplier? Did you know that China produces almost 80% of the world’s lab-grown diamonds? Therefore, we prefer Chinese lab-grown diamond suppliers, but with multiple options, do you know which one is the best? As a jewelry expert, we will list some of the top China lab-grown diamond manufacturers and suppliers so you can quickly find one based on your needs.

Top China lab-grown diamond manufacturers

HeNan LiLiang Diamond

LiLiang Diamond

HeNan LiLiang Diamond was established in November 2010. It is a high-tech enterprise specializing in the research and development, production and sales of artificial diamond products. It is also a leading enterprise in China’s superhard materials industry. Its main business scope covers artificial diamonds and superhard materials. R&D, production, sales and import and export business of products. Their products are widely used in aerospace, national defense, automobiles, machinery, electronics and other fields, and it is the mainstream supplier of superhard materials in China.

Key Information:

  • Date of establishment: Located in Henan, established in 2010
  • Company size: 228 acres of East District factory area, with a total construction area of 170,000 square meters
  • Awards: Top 60 enterprises in the high-tech industry in Henan Province, top 100 enterprises, top 20 enterprises in new materials industry, etc.
  • Innovation capability: It has a provincial engineering technology research center and an engineering laboratory research and development platform, and more than 50 independent core technology patents.
  • Representative products: Synthetic diamond single crystal, micro powder and cultivated diamonds

Products

  • Diamond Powder
  • Diamond Micro Powder
  • Diamond Mesh Powder
  • Synthetic Diamond
  • Lab Grown Diamond
  • Sharp Point Diamond

Zhongnan Diamond Co., Ltd.

Zhongnan Diamond

Zhongnan Diamond Co., Ltd. is a wholly-owned subsidiary of Zhongbing Red Arrow Co., Ltd. (stock code 000519) and is committed to the research, production and application of superhard materials. As one of the world’s largest scientific research and production bases for superhard materials, the company’s products are widely used in traditional industries, consumer fields and diamond functional applications.

The company has mastered the synthesis technology of large single crystals of cultivated diamond within 30 carats, and can stably produce cultivated diamond products within 20 carats in batches. At the same time, the company’s CVD cultured diamond preparation technology has reached the international mainstream level, laying a solid foundation for expanding the application of functional diamonds.

Key Information:

  • Company scale: One of the world’s largest scientific research and production bases for diamond superhard materials
  • Industrial field: Industrial diamond, large-scale polycrystalline diamond, cubic boron nitride, superhard composite materials, graphite products, etc. continue to grow, and the market share ranks first in the world.
  • Consumption sector: Successfully achieved large-scale production of gem-grade lab-grown diamonds, leading the world;
  • Service outlets: more than 40 countries and regions around the world
  • Awards: National High-tech Enterprise, National Technological Innovation Demonstration Enterprise, Henan Province Innovation Leading Enterprise
  • Innovation ability: Independently master key technologies and have strong scientific and technological innovation capabilities
  • Representative level: Maintaining the world’s largest market share of superhard materials and achieving technological breakthroughs in the field of cultivated diamond products

Henan Huanghe Whirlwind Co.,Ltd.

Huanghe Whirlwind

Henan Huanghe Whirlwind Co.,Ltd. (stock code: 600172) is a listed company specializing in the research, development, production and sales of superhard materials and related products. Headquartered in Henan Province, it has a national-level enterprise technology center and an enterprise postdoctoral workstation. The company focuses on six industrial fields and specializes in supplying more than 146 products covering more than 400 specifications, including synthetic diamond, cubic boron nitride, coated diamond, diamond powder, construction, machinery, special vehicles, etc.

Key Information:

  • Date of establishment: The listed company was established in 1998 and has 20 years of technology accumulation in the field of cultivated diamonds.
  • Company size: One of the world’s largest synthetic diamond manufacturers, with an annual output of 1.2 billion carats.
  • Operating income: High-end quality lab-grown diamonds account for more than 50% of global market sales.
  • Service outlets: subsidiaries and R&D institutions are located in Changge, Zhengzhou, Shanghai and Beijing.
  • Awards: Won 2 national gold medals and 128 science and technology progress awards, etc.
  • Innovation ability: Possess 76 patents and continue to iteratively upgrade R&D technology.
  • Product reputation: The company’s products enjoy a high reputation in global markets such as Japan, the United States, Europe and Southeast Asia.

Henan SF DIAMOND

sf diamond

Henan SF DIAMOND is a company focusing on the R&D, production and sales of polycrystalline diamond (PCD) and related products. It is a large-scale and technically strong manufacturer of composite superhard materials in China. The company takes composite superhard materials as its core and precision diamond tools as its new business growth point as its development strategy; its products are widely used in oil drilling and mining, automotive parts, equipment manufacturing and other manufacturing fields.

The company has the ability to develop high-purity, large-size CVD diamonds. The relevant CVD diamond preparation technology can be used for the production of cultivated diamonds after specific process adjustments. Diamonds produced using the CVD process have the characteristics of high clarity and large size. Currently, D/E/F optimal white large-size CVD cultivated diamonds have appeared on the market.

Key Information:

  • Date of establishment: 1997
  • Listing status: Listed on the Shenzhen Stock Exchange in 2011
  • Stock code: 300179
  • Main business: R&D, production and sales of polycrystalline diamond and related products
  • Technical strength: Leading in China focusing on the field of composite superhard materials
  • Honorary titles: National high-tech enterprise, multiple national honors
  • Product range: oil/gas drilling, mining, cutting tools, etc.
  • Market coverage: Exporting to more than 40 countries and regions
  • Innovation capability: The technology center is recognized as a national technology center
  • Cooperation: Develop industry-university-research cooperation with universities to cultivate scientific research talents
  • Technical cooperation: CVD diamond-related technical cooperation with Zhengzhou University
  • Diamond cultivation: development of high-purity, large-size CVD diamond for diamond cultivation

Huifeng Diamond Co., Ltd.

hf diamond

Huifeng Diamond Co., Ltd. is a company focusing on the research, development and operation of diamond powder. It is headquartered in Henan Province and has a garden-style standardized factory area of 150 acres. The company is in a leading position in the field of diamond micro powder, with products covering micro powder, fine powder, ultra-fine powder, ultra-pure micro powder, high-strength micro powder, etc., with a monthly output of 250 million carats.

Key Information:

  • Established: 2016
  • Company size: 150 acres of factory area, covering an area of 60,000 square meters
  • Service outlets: Zhecheng High-tech Industrial Development Zone, Shangqiu City, Henan Province, Zhongmou County, Zhengzhou and Shenzhen City
  • Awards: Awarded the title of “Little Giant” for specialization and innovation by the Ministry of Industry and Information Technology, and “Synthetic Single Crystal Diamond Powder” was recognized as the single champion product in the manufacturing industry.
  • Technical strength: It has a nationally recognized high-end diamond technology center. The Zhengzhou Technology Center covers an area of 12,000 square meters.
  • Innovation capability: Leading research and development of diamond micro powder technology, focusing on innovations such as product quality stability and surface modification
  • Representative products: micro powder, fine powder, super fine powder, cultivated diamonds and other series of products

ZZSM of Sinomach

zzsm

ZZSM is a leading abrasives enterprise in China. It was founded in 1958 and is affiliated to China National Machinery Industry Corporation. The company focuses on the research and development and production of superhard material products and industry-specific equipment.

ZZSM owns the high-end cultured diamond brand DEINO, which focuses on the research, development and design of special-shaped diamonds. DEINO cultivated diamonds embody leading international research and development levels and extraordinary design capabilities.

Key Information:

  • Date of establishment: 1958
  • Company size: It has more than 10 production lines, with an annual output of 1 million superhard material products and more than 4,000 pieces of equipment.
  • Important Laboratory: State Key Laboratory Transformed into State Key Laboratory of High-Performance Tools
  • Innovation ability: China’s first artificial diamond and cubic boron nitride were successfully developed in 1963 and 1966.
  • The R&D team has more than 300 people and holds 530+ patents
  • Representative case: Launch of high-end cultured diamond brand DEINO, focusing on the research, development and design of special-shaped diamonds

Sino-Crystal Diamond

sino crystal

Founded in 2004, Sino-Crystal Diamond, as a leading superhard materials enterprise, focuses on the research, production and sales of superhard materials and related products. The company has core technologies and independent intellectual property rights in the synthesis process, equipment, raw and auxiliary materials of artificial diamond-related products, and has built a series of products including artificial diamond single crystals, raw and auxiliary materials and cultivated diamond jewelry.

The company has Brisa & Relucir, an affordable luxury cultivated diamonds brand. Brisa & Relucir is committed to creating a diversified product line featuring fashionable and technological diamonds. The styles are rich and easy to consume, putting everyone’s diamond dream at the fingertips of technology.

Key Information:

  • Date of establishment: December 2004
  • Time to market: March 2010
  • Product range: Synthetic diamond single crystal, diamond raw and auxiliary materials, diamond jewelry
  • Technical advantages: Possess core technology and independent intellectual property rights, promote intelligent and automated production transformation
  • Development strategy: Focus on the development of “consumption + industry” industry, and strive to become a new material provider
  • Innovation ability: Continue to promote technological innovation and uphold the business philosophy of quality as the fundamental
  • Business scope: Research, production and sales of superhard materials industry chain
  • Market influence: Leading enterprise, the backbone enterprise of Henan Superhard Materials Industrial Base
  • Representative case: Brisa & Relucir cultivated diamond affordable luxury brand

ZS-Tech

zscvd

Founded in 2014, Shanghai Zhengshi Technology is a high-quality CVD diamond manufacturer integrating R&D, production and sales. The company’s technical team has focused on CVD technology research and development since 2002, has more than 100 patent applications, and has passed ISO9001 quality management system certification. Their CVD-cultivated diamond products are widely recognized in the international market, demonstrating their strength and influence in the high-end manufacturing field.

Company features:

  • Date of establishment: December 2014
  • Technological innovation: It has a professional R&D team and masters the core production technology of MPCVD method. It is a leader in high-quality CVD diamonds.
  • Product advantages: CVD-grown diamonds have the characteristics of high clarity, high color, larger carats, and pure natural growth.
  • Global Marketing: Business covers 27 countries and regions around the world, with wholly-owned subsidiaries in Hong Kong, New York, Los Angeles and other places
  • Quality Assurance: Passed ISO9001 quality management system certification, focusing on quality control

Top China lab-grown diamond suppliers 

LightMark

LightMark is a sustainable jewelry brand that represents carat freedom for the younger generation. Utilizing Light Lab technology, they integrate the “new material” of diamonds into fashion and emotion, advocate the concept of environmental protection, redefine sparkle, enhance happiness for young people, and strive to create a sustainable high-end jewelry global brand. 

Key Information:

  • Service outlets: Store In Shanghai, Nanjing and online platforms (Tmall, JD.com, etc.)
  • High innovation ability, using new materials and laboratory technology to create environmentally friendly and personalized diamonds
  • Development philosophy: Follow the concept of sustainable development, produce high-grade diamonds in a high-standard laboratory environment, avoid damage to the global environment, and eliminate unreasonable oppression of labor.
  • Customization: The company provides personalized diamonds, allowing young people to show their unique personality and achieve diamond freedom

CARAXY 

Founded in 2015, Caraxy is China’s first laboratory-grown diamond brand and China’s first member of the International Grown Diamond Association (IGDA). As a new-generation jewelry company, Caraxy Cultivated Diamonds uses technology to break traditional boundaries and provide consumers with green and environmentally friendly fine diamond jewelry.

Products

  • WHITE DIAMONDS
  • COLORED DIAMONDS

LUSANT

LUSANT is the cultivated diamond brand of the Yuyuan Group. LUSANT breaks the various limitations of natural diamonds, simulates the natural diamond generation environment, and cultivates more perfect diamonds. Let modern women better express their personality and temperament without having to invest a lot, so that they can calmly embrace the beauty of high-end jewelry.

ANNDIA

ANNDIA is a high-end cultivated diamond brand owned by Worldia (688028. SH). ANNDIA cultivated diamonds are the carrier of sincerity and real diamonds, embodying the concept that true love has nothing to do with diamond prices, and is another choice for diamonds.

Related:

Top 5 Loose Moissanite Manufacturers in China

In conclusion:

Above we have listed some top China lab-grown diamond manufacturers and suppliers, hoping to help you quickly find the options you need. However, lab-grown diamonds are only part of the business of these manufacturers. If your purchase volume is not large, you may also face some challenges. If you need synthesis diamonds such as moissanite. At Moissanite Jewelry Wholesale, we offer a large range of artificial diamonds and moissanite, feel free to contact us.