HQDZ [Upgraded] Professional Diamond Tester for Jewelers - High Accuracy for Gemstones

Discover the Upgraded High Accuracy Diamond Tester Professional Jeweler for Novice and Expert - Diamond Selector II. Our diamond testers are the best on the market, and are designed with customer support, build quality, sturdiness and accuracy in mind. This black diamond tester comes with a 9V battery included, so you can start testing right away! Invest in the best diamond tester available and enjoy the peace of mind that comes with a high-quality product.