What sizes are available?

Sizes range from 1mm to 10mm, with carat weights between 0.6 and 3ct.

What payment methods do you accept?

We accept T/T, PayPal, Western Union, Small-amount payment, and Money Gram.

What are the main applications for these diamonds?

They are used for cutting tools, geological drills, engineering drills, wire saws, and polishing.

Hpht/CVD Original Rough Diamonds Gem Stones

Name: Hpht/CVD Original Rough Diamonds Gem Stones
Brand: Chenguang Machinery & Electric Equipment Co., Ltd.
SKU: 892032415

Hunan, ChinaChenguang Machinery & Electric Equipment Co., Ltd.

US$30.00-300.00

1 carat

Sample price:US$66.00/carat.Request sample

Product profile

Customization

Available

Type

Diamond

Classification of Diamond

Artificial

Characteristic

High Hardness

Characteristics of Natural Diamond

Compressive Strength

Transport Package

Neutral Packing

Origin

China

Production Capacity

5000 Piece/Pieces Per Month

Key features

High Hardness: Mohs 10 hardness ensures superior durability and cutting performance.

Wide Color Range: Available in D-J color grades to meet diverse aesthetic requirements.

Flexible Clarity Options: Offers VS-SI clarity grades for various industrial and gemstone applications.

Diverse Size Selection: Sizes range from 1mm to 10mm, with carat weights from 0.6 to 3ct.

Advanced Production Tech: Utilizes Chemical Vapor Deposition and High Pressure High Temperature processes.

Rapid Delivery: Standard delivery time is 3-7 days after order confirmation.

Stable Quality Control: Perfect raw material control system ensures product stability and consistency.

Low MOQ: Minimum order quantity starts at just 5-10 carats for flexibility.

Company profile

Chenguang Machinery & Electric Equipment Co., Ltd.

Hunan, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2010-12-01Nearest Port: Changsha. Guangzhou, Shanghai, ShenzhenAverage Response Time: ≤11.75hTerms of Payment: T/T, PayPal, Western Union, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, EXW

AI-Powered supplier vetting

SummaryChenguang Machinery & Electric Equipment Co., Ltd. is a China-based limited trading company located in Changsha, Hunan, with its factory reported in Furong District. Its stated business covers development, production, and marketing of ultra-hard materials, including synthetic diamond, diamond drill bits, diamond cutting discs, and PDC cutters. The supplier reports ISO 9001 and GMP certifications, more than 10 production lines, 6–10 R&D engineers, and 6–10 quality-control staff. It has self-operated import/export rights and has exported since 2010, with exports representing 31%–40% of total sales. Recent trade records show transactions involving synthetic diamonds and inserts with a buyer in Mexico, but the limited number of disclosed transactions does not establish a broad customer base. Evidence is insufficient to assess after-sales service, customization, and financial credibility.

Supplier typeThe supplier is identified as a trading company in Changsha and as both a trading company and manufacturer/factory in the company profile. Its stated business includes development, production, and marketing of ultra-hard materials, indicating a hybrid trading-and-manufacturing profile.

CertificationsThe supplier reports holding ISO 9001 and GMP management-system certifications. These certifications provide explicit evidence of formal quality and manufacturing management systems, although the slices do not provide certificate numbers, validity dates, or scope.

R&D capabilityThe company describes itself as specialized in the development of ultra-hard materials and reports 6–10 R&D engineers. Its product keywords include synthetic diamond and PDC cutters, supporting an identifiable R&D orientation, but no patents, new-product records, or technical performance data are provided.

Production capacityThe supplier states that it develops and produces ultra-hard materials, operates more than 10 production lines, and has annual output information listing 10,000,000 units for lab diamond and other products. The reported manufacturing infrastructure and output data explicitly support production capability, although the exact product allocation and capacity verification are not provided.

Client casesTrade records show three recent product categories—Inserts, Synthetic Diamond, and Synthetic Diamonds—with transactions involving Mexico and the same named buyer; the disclosed transaction counts are 2, 3, and 2 respectively. These records evidence some recent commercial activity, but the limited buyer and country coverage does not establish a broad or diversified customer portfolio.