its advanced technology makes it suitable for both professional jewelers and hobbyists alike.
versatile application scenarios: ideal for various jewelry testing needs, this tool is perfect for gemologists, pawn shops, retail jewellers, auction houses, collectors, and enthusiasts looking to authenticate their diamonds quickly and efficiently.diamond tester pen high accuracy diamond selector detector jewelry testing tool with case for novice expert enhanced reliability & durability: constructed using premium materials, this diamond tester pen guarantees long-lasting performance and reliability under regular usage conditions, making it a valuable addition to your jewelry testing kit.. portable and convenient storage: equipped with its own protective case, this compact device ensures safe storage when not in use while being portable enough to carry around during appraisals, exhibitions, or trade shows.