What is the production method used?

We use the HPHT (High Pressure High Temperature) and CVD (Chemical Vapor Deposition) methods.

Do you provide samples for testing?

Yes, we provide small samples for your test before placing a bulk order.

What are the available payment terms?

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

Big Size Hpht Blue Diamond Rough Stone for Gems

Name: Big Size Hpht Blue Diamond Rough Stone for Gems
Brand: Chenguang Machinery & Electric Equipment Co., Ltd.
SKU: 1941669212

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

US$70.00-150.00

1 carat

Sample price:US$5.00/carat.Request sample

Product profile

Customization

Available

Type

Synthetic Diamond

Classification of Diamond

Hpht Lab Made

Model NO.

JSBD

Characteristic

High Hardness

Characteristics of Natural Diamond

Hardness 10

Synthesis of Cubic Boron Nitride Method

Hpht

Application

Abrasive, Dresser, Jewellery

Color

White

Hardness

Moh's 10

Shape

Round, Octahedron

Feature

Rough Uncut

Size

1.0mm to 3.6mm

Transport Package

Carton

Specification

JSBD9907-9910

Trademark

Chenguang

Origin

Changsha, Hunan

Production Capacity

10000 CT / Month

Key features

HPHT Lab-Grown Technology: Grown using High Pressure High Temperature method mimicking natural earth conditions.

Natural Diamond Properties: Identical physical and chemical properties to natural diamonds with Mohs hardness 10.

Customizable Color Options: Available in White, Yellow, and Fancy Blue colors upon request.

Customizable Shape Options: Shapes include Round and Octahedron to meet specific customer needs.

Wide Size Range: Sizes available from 0.001ct to 10mm or 1.0mm to 3.6mm depending on type.

Versatile Applications: Suitable for abrasive tools, dressers, and jewelry manufacturing.

Cost-Effective Pricing: Significantly cheaper than natural diamonds while maintaining quality.

Fast Delivery Time: Standard delivery within 3-7 days after order confirmation.

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: ≤18hTerms 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.