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Jewelry and Watch Testing

Our global jewelry team includes multi-lingual GIA Graduate Gemologists and Diamond Graduates. For watch manufacturers, we provide industry-dedicated regulatory testing, quality assurance, supply chain management, and global market access services. We can help prevent costly mistakes in your supply chain by verifying the workmanship, construction, purity, and source of your products through our specialized inspection, testing, and auditing services.

From quality assurance and responsible sourcing to product safety testing and global market access services, we are the jewelry industry’s trusted partner.

Learn more about the services we offer for jewelry and watch testing.

Leverage our global expertise to safeguard excellence across your supply chain

Registered with the CPSC as an accredited third-party testing laboratory, our worldwide locations test to international, federal, regional and industry standards. Our global UL Jewelry Centers for Excellence are staffed with a dedicated UL jewelry team comprised of seasoned industry professionals and safety scientists.

A gemstone being examined and tested

Our fine, fashion and children’s jewelry testing services include:

  • UL Diamond Verification Programs
  • UL Finished Jewelry Verification Programs
  • Gemstone Verification and Identification
  • Precious Metal Verification
  • Plating Thickness and Fineness
  • Plating and Base Metal Material Composition
  • Quality and Performance Testing
  • Fire Assay
  • Regulatory Compliance Testing

UL’s comprehensive jewelry inspection programs provide a vital check on the product and manufacturing quality at every stage of production to help minimize any potential quality issues along your supply chain. Services include:

  • Verification of Diamond and Gemstone Cut, Color, Weight and Quality Range
  • Required Country of Origin, Trademark and Fineness Stampings
  • Client Proprietary Requirements
  • Casting, Construction and overall manufacturing quality
  • Precious Metal Weight Verification; Stone Setting Quality; Plating Color
  • Labeling, Boxing and Packing Requirements
  • Raw materials traceability
  • Quantity Verification; Functionality and Sizing
  • Workmanship and Aesthetics
  • Responsible Sourcing

For watch manufacturers, we provide industry-dedicated regulatory testing, quality assurance, supply chain management, and global market access services.

We offer safety, performance and quality assurance checks specifically targeted to meet the needs of children’s jewelry manufacturers.

UL also provides extensive compliance testing and certification solutions for jewelry store access control, burglar alarm controls, intrusion sensors, ballistics, locks, and other electronic and physical security products. Our services for jewelry stores consist of:

  • Advisory
  • Data Acceptance Program
  • Global Market Access
  • Pre-certification Review
  • Product Certification

We also provide monitoring, training, and advisory services to help all of our customers comply with social and environmental laws and standards in all of their target markets.

UL Verified Mark for food contact materials

In an industry where brand and reputation mean everything, leverage the UL Verified Mark to differentiate your product and highlight the confidence you have in its quality. The UL Verified Mark program pairs your product excellence with the most trusted science-based processes of UL in order to provide distinction and set your product apart in the market.

Learn more about UL Verified Mark or contact us for more information.