
Laboratory Testing
From extreme heat to high-speed spin cycles, Preciosa crystals undergo a series of rigorous quality control measures designed to test and ensure the integrity of each and every one of our 25,000-plus products.

A proactive solution to anticipating any unforseen defects, many tests are conducted as a prerequisite to being sold.
Quality matters
As a supplier to some of the world’s most reputable fashion and luxury brands, who prioritize and pride themselves on quality, Preciosa invests heavily into our stringent quality control procedures and laboratory testing facilities and equipment. As a matter of standard practice, our dedicated team of specialists conducts a series of quality control assessments and stress tests that include sweat resistance, change in temperature, UV exposure and drop tests, among others. Preciosa also offers specialized testing services to address the requests and concerns of our clients.
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Customized Production
Our available offer of shapes is virtually uncountable, but if you still can't find the exact match for your design, our team can turn your sketch or idea into a prototype.