10/08/2026

Vintage Gold Standard Reference Testing Needles 9 from 4K to 20K

Set of 9 vintage, Gold Standard, reference, testing needles in excellent used condition. Needles are 1 3/4" long each. Barely used, plenty of gold left, good for years of testing or referencing. A needle for each of: 4K, 6K, 8K, 10K, 12K, 14K, 16K, 18K, and 20 K.
10/08/2026

Presidium Diamond Mate-A Diamond Tester Black for Diamond Testing

✅ Trusted Presidium Quality. Presidium Diamond Tester. This tester is ideal for identifying authentic diamonds and helping distinguish them from many common simulants. ⚡ Don’t miss out on this opportunity to own a professional-quality diamond tester at a fraction of the cost of buying new!
10/08/2026

Gold Silver Jewelry Acid Testing Kit Tester Test Neutralizer JSP Stone PuriTEST

PRODUCT DETAILSThis EASY to use genuine JSP & PuriTEST kit will determine the karat value and purity of Gold, and Silver Jewelry, scrap, bars, coins, and much more! 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, silver, or platinum! This 9 Piece kit includes: - 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 24K Gold Testing Acid Solution 0.5 oz. (14 g) - JSP Silver Testing Acid Solution 0.5 oz. (14 g) - JSP Platinum Testing Acid Solution 0.5 oz. (14 g) - PuriTEST 2''x2" Large Test Stone with rubber backing to ensure non-slip desktop testing! Can be used for hundreds of tests. - GTE Acid Neutralizing Solution 0.5 oz. (Used for cleaning test stone between results) - Easy to follow instruction booklet with color chart! If you have any further questions, please feel free to contact us. We look forward to serving you in the future.