This EASY to use genuine JSP GTE tester kit will determine the karat value and purity of Gold Jewelry, scrap, bars, coins, diamonds, moissanites, and gemstones! Simply scratch the test stone with your jewelry and apply a drop of the acid to the stone and watch the results appear! *Our goal is to make testing your jewelry FUN, FAST, and EASY! *We promise that our acids are guaranteed to be FRESH! *Each bottle will test hundreds of times! *These small bottles are perfect for traveling with or carrying in a purse or briefcase. Quick easy to use; instructions included. *A MUST-HAVE for anyone who invests in gold and diamonds! This 14 piece kit includes: ( Valued at $150! BUNDLE AND SAVE $$ ) - JSP 10K Gold Testing Acid Solution 0.5 oz. (14 g) - JSP 14K Gold Testing Acid Solution 0.5 oz. (14 g) - JSP 18K Gold Testing Acid Solution 0.5 oz. (14 g) - JSP 22K Gold Testing Acid Solution 0.5 oz. (14 g) - GTE Neutralizer Solution 0.5 oz (14 g) Used for cleaning the test stone in between each test. - GTE 2''x4'' Test Stone with rubber backing for non-slip desktop testing (Reusable up to 100 tests! Clean with baking soda/water mix in between uses) - GTE Portable electronic diamond tester (FREE diamond sizing gauge and estimator included!) NOTE: These solutions will dull the polishing of the piece, and leave a mark where the acid was placed. It is advised to always use a test stone (included in this kit) to protect your jewelry. ---------- DIAMOND AND GEMSTONE TESTING This EASY to use genuine GTE Diamond Analyzer will test the purity of Diamonds, Rubies, Stones, Moissanites, CZ (Cubic Zirconia), Sapphire, Rhinestones, lab-created diamonds, zircon, and other simulants! Included with the Diamond Tester: - LCD display LED indicator. - Designed for quick, precise, and safe diamond testing. - GTE Portable electronic diamond tester - Powered by DC 9V battery x 1 (Included) - Leather carrying case. A diamond tester will detect the rate at which heat moves through the stone and will tell you whether it is a real diamond. There are also testers that use electrical conductivity to test stones ? they are based on a similar principle, but they use electricity instead of heat. This electronic diamond tester is convenient for traveling with or carrying in a purse or briefcase.