Latest Gemstone Certification Price List 2026

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Gemstone certification is an important step that helps determine the quality, origin, and true value of the stone. Certification costs may vary depending on the type of stone, weight, certification method, and the center performing it. In this article, Jemmia will provide a gemstone certification price list from reputable centers such as PNJ Lab, DOJI Lab, VGC, IGG… so you can easily refer to and choose the right service.

Why should gemstones be certified?

Gemstone certification not only helps determine the true value of the stone but also protects the buyer's rights. This is why many people, before owning valuable jewelry items such as diamond rings, men's diamond rings, women's diamond rings, diamond earrings or diamond necklaces, prioritize certification to ensure transparency.

Below are important reasons to certify gemstones before making a transaction:

• Verify authenticity: Helps buyers distinguish between natural stones, treated stones, and synthetic stones.

• Assess quality: Certification provides information on color, clarity, cut, and weight.

• Accurate valuation: Helps with buying, selling, and investing at a reasonable price.

• Protect rights: Avoid being scammed or mistakenly buying low-quality products.

• Support crafting: Provides important information for jewelers when designing jewelry.

Certification at reputable centers will help you feel more secure when owning or investing in gemstones.

Gemstone certification price list in Vietnam

Below is the gemstone certification price list at some reputable centers in Vietnam. Please note that these prices are for reference only and also depend on the type of stone, size, weight, and policies of each center. For the most accurate and up-to-date information, you should contact the certification centers directly: 

PNJ Lab (PNJ Gemstone Certification Center)

PNJ Lab is one of the leading reputable gemstone certification centers in Vietnam, under Phu Nhuan Jewelry Joint Stock Company (PNJ). With a team of experienced experts and a modern equipment system, PNJ Lab provides certification services for gemstones, diamonds, and jewelry according to international standards. 

PNJ Lab's certification results always ensure high accuracy, helping customers have complete information about the quality and value of the product.

Address: 302 Phan Xich Long, Ward 7, Phu Nhuan District, Ho Chi Minh City.

DOJI Lab (DOJI Gemology and Gold, Silver, Gemstone Assessment Center)

DOJI Lab is a gemstone certification center under DOJI Gold & Gems Group, specializing in providing appraisal services for diamonds, gemstones, pearls, and precious metals according to international standards. 

With a team of experienced experts and a modern equipment system, DOJI Lab ensures accurate and transparent certification results, helping customers properly assess the quality and value of products. Certification reports from DOJI Lab are widely recognized, bringing reliability in jewelry trading and investment.

Address: No. 5 Le Duan, Ba Dinh, Hanoi.

VGC (Gemstone and Gold Research & Certification Center)

VGC (Vietnam Gemological Center) is a gemstone and gold certification center under the Institute of Materials Science, specializing in researching and appraising diamonds, gemstones, pearls, and precious metals. With a modern equipment system and a team of experienced experts, VGC provides certification services according to international standards, ensuring accuracy and transparency. Certification reports from VGC are widely recognized, helping customers feel secure when trading and investing in gemstones.

Address: 91 Dinh Tien Hoang, Trang Tien Ward, Hoan Kiem District, Hanoi.

IGG (Vinagems Institute of Gemology and Gold)

IGG (Institute of Gemology and Gold – Vinagems) is an organization specializing in the research, certification, and appraisal of gemstones, diamonds, gold, and silver in Vietnam. With leading experts and advanced machinery systems, IGG provides certification services that meet international standards, helping accurately determine the origin, quality, and value of gemstones.

Certification reports from IGG are widely recognized, bringing trust to customers in jewelry transactions and investment.

Address: No. 15, Ngoc Hoi Street, Hoang Liet Ward, Hoang Mai District, Hanoi.

Factors affecting gemstone certification costs

Gemstone certification costs may vary depending on many factors, including:

• Type of gemstone: Diamonds, ruby, sapphire, emerald often have higher certification costs than semi-precious stones. Natural stones have different certification prices compared to treated or synthetic stones.

• Stone size and weight: Gemstones with large sizes or heavy weight usually take more time to certify, leading to higher costs.

• Condition of the stone: Rough stones (uncut and unpolished) have a different certification process from processed stones, which may affect the cost. Stone-set jewelry may require more complex certification because it is difficult to access the entire stone.

• Level of certification detail: Standard certification usually only identifies the type of stone, size, and some basic factors. Advanced certification may include in-depth analysis of optical characteristics, chemical composition, and treatment level, increasing the cost.

• Certification center: Each certification center has different fees depending on reputation, equipment, and evaluation standards. Large centers such as PNJ Lab, DOJI Lab, and VGC often have higher costs than smaller certification labs.

• Processing speed: If customers request expedited certification in a short time, the cost may be higher than regular certification.

The above factors determine the certification price of each type of gemstone, therefore customers should choose a service suitable for their needs and budget.

Things to note when certifying gemstones

Gemstone certification is an important step in determining the value and quality of the stone, while also ensuring the buyer's rights. To make the certification process accurate and effective, you need to note the following points:

• Prioritize certification centers with accreditation, such as PNJ Lab, DOJI Lab, and VGC, to ensure accurate results.

• Ensure the certification document includes complete information: stone type, size, color, clarity, cut, origin (if any).

• Determine whether you need basic or advanced certification (treatment analysis, origin).

• Loose stones are easier to certify than stones set on jewelry, which may affect accuracy.

• Read the certification results carefully and compare them with the stone to avoid errors.

• Check the price list in advance and request a suitable timeline to avoid extra expedited service fees.

Frequently asked questions about gemstone certification

How long does gemstone certification take?

Depending on the center, gemstone certification usually takes 1 - 3 working days.

Is gemstone certification expensive?

Gemstone certification ranges from a few hundred thousand to several million VND, depending on the stone type and service.

How can I verify that a certification report is genuine?

Check the code and verify it on the certification center's website.

Should gemstones purchased abroad be certified?

You should certify gemstones purchased abroad if you want to confirm transparency and value.

See more:

• The meanings of 25 gemstones in feng shui and life
• What Is a Diamond? A Complete Collection of Diamond Knowledge
• What Is Sapphire? Origin, Meaning, and How to Identify It

So, Jemmia has provided you with the gemstone certification price list at some popular gemstone certification locations. Understanding the price list clearly will help you choose the right service, ensure transparency, and feel secure when transacting. Follow Jemmia for more useful knowledge about diamonds, gold, and gemstones. 

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