UL-STR IS NOW UL. Our integration into the UL family of companies is complete, and this page will be moved to the Jewelry and Watches page on UL.com. Please update your bookmarks accordingly.
Ensuring that the quality of your product exceeds your customers’ expectations is one of your most difficult jobs. UL-STR’s fine jewelry quality assurance program can make sure the workmanship, construction, color, cut and purity of your jewelry meet specifications. With UL-STR as your partner, you can manage risk in a cost-effective manner and prevent problems rather than correct them.
UL-STR’s Fine Jewelry Quality Assurance Capabilities include:
Fine Jewelry Inspections - UL-STR conducts In-Process Quality Checks as well as Final Random Inspections. Our on-site jewelry inspection includes checks for:
- Client proprietary requirements
- Precious metal weight tolerance
- Required Country of origin, Trademark and fineness stampings
- Casting and construction
- Stone setting quality
- Plating color and quality
- Surface finish
- Gemstone color and quality range
- Gemstone cut and weight
- Diamond color and quality range
- Diamond weight and cut
- Functionality, sizing and quantity verification
- Labeling, boxing and packaging requirements
Fine Jewelry Testing - UL-STR’s jewelry testing capabilities include:
- CPSC accredited laboratories for CPSIA testing
- Worldwide laboratories to perform Prop 65 lead testing (Californian Legislation AB 2901 Chapter 575)
- Verification of precious metal content
- Plating thickness and fineness
Responsible Sourcing Services:
- Social Compliance / C-TPAT / Brand Protection Assessments
- UL-STR is accredited by the Responsible Jewelry Council for Conformity Assessments
What Differentiates UL-STR:
With an average of 19 years experience, UL-STR has a multilingual, worldwide team of GIA Graduate Gemologists and Diamond Graduates. Our state-of-the art communication and data warehousing infrastructure and customer centric approach makes us your quality assurance partner of choice.