GUILD Pearl Certificate (GUILD Gem Laboratories)

🧾 GUILD Pearl Certification (GUILD Gem Laboratories)

Get your pearls certified by GUILD Gem Laboratories, an internationally recognized gemological lab founded in Los Angeles in 1980, with branches now located in Shenzhen (China), Bangkok (Thailand), and Sri Lanka.

This certificate not only verifies the authenticity and type of the pearls, but also includes detailed grading parameters such as size, luster, surface quality, and matching.

It adds significant value to your product and is recommended for:

• Strands valued at $100 or above
• Loose pearls priced at $40 or more
• Custom-designed pearl jewelry

What’s Included in the GUILD Pearl Grading Report?

This certificate provides authoritative verification for pearl strand or jewelry piece, including:

• ✅ Pearl type (e.g. freshwater, Akoya, South Sea)

• ✅ Pearl Information – Type (e.g. freshwater, Akoya), size, color, shape.

• ✅ Appraisal Details – Luster, surface quality, nacre thickness, matching grade.

• ✅ Important Conclusions – Summary of grading results and any remarks.

• ✅ Certificate Information – Unique certificate ID, report date, issuing lab.

🔬 Why Choose GUILD Certification?

• Independent and scientifically driven — GUILD specializes in gem and pearl grading using spectrometer and X‑ray validation, surface & luster measurements, and nacre thickness analysis.

• Global credibility — Recognized in international gem trade circles, ideal for buyers, retailers, and export purposes .

• Respected leadership — Founded by reputed gemologists; while smaller than labs like GIA, many professionals deem its results accurate and trustworthy .

• Multiple report types available — GUILD currently offers various report formats including Advanced Report, Premium Report, Routine Test Report, Identification/Grading Report, and Dossier Report .

📍 Lab Locations & Global Reach

• Founded in Los Angeles in 1980, now expanded to key gem hubs: Shenzhen (China), Bangkok (Thailand), and Sri Lanka .

• Strategically positioned to serve high-volume trading centers, ensuring fast access to certification services.

⏱️ Processing Time

7 business days (Shipment will be delayed by 7 days to allow for certification.). A printed certificate will be included with your order.

📝 Note

• One certificate covers one strand or jewelry item. If you’re ordering multiple strands and only want certain ones certified, please add the exact number of certificates to your cart.

• Please do not purchase this certificate as a standalone item — it must be ordered together with a pearl product.