precision diamond tester and mini folding jeweler's loupe designed for fast, reliable gemstone inspection. Key benefits Accurate gemstone identification: precision diamond tester delivers clear distinctions between diamonds and other gemstones so you can trust results when buying, selling, or appraising. Closeup inspection: Mini folding magnifying glass with 30X and 60X lenses reveals surface details, inclusions, facet edges, and settings that are invisible to the naked eye. Simple, dependable operation: Quick to set up and intuitive to use—ideal for professionals and hobbyists who need consistent, repeatable checks. What it does Tests diamonds and common gem materials: Suitable for diamonds, jade, crystal, agate and other gemstones for straightforward identification and comparison. Magnifies fine details: Two magnification options (30X and 60X) in a compact folding design for onthespot inspection. How to use Install battery and switch the tester on. Hold the gemstone in one hand and operate the tester with the other for stable readings. Press the triangular metal plate on the back with your finger (as required) and place the probe tip to the gemstone to take a reading. Use the folding magnifier (30X/60X) to verify surface features and confirm tester findings. Performance and design highlights precision testing provides clear, actionable distinctions among gemstones for reliable decisions. Compact, foldable magnifier with 30X and 60X lenses makes it easy to inspect fine details anywhere. Straightforward probe and metalplate operation minimizes setup and user error when used as instructed. Practical use scenarios Jewelry retailers and appraisers: Quickly verify diamonds and inspect mounting integrity before or valuation. Buyers and resellers: Confirm authenticity and inspect condition when diamonds or gemstones at market stalls, auctions, or online pickups. Collectors and hobbyists: Examine acquisitions for inclusions, treatments, or distinguishing characteristics using both the tester and magnifier. Tips for results Hold the stone steady in one hand and operate the tester with the other for stable contact. Press the triangular metal plate on the back with your finger as described to complete the testing circuit. Use the 30X or 60X loupe to doublecheck inclusions, polishing marks, and facet edges to corroborate tester readings. Specifications Diamond tester: precision probebased instrument for distinguishing diamonds from other gems. Magnifier: Mini folding loupe with 30X and 60X lenses. Operation: Batterypowered; insert battery, turn on, press triangular metal plate at back, place probe on gemstone. Compatible with: Diamonds, jade, crystal, agate and other common gemstones.