Diamond Tester Portable Electronic Gemstone Testing Pen for Jewelry Jade Ruby Stone Hardness Id Color:Black-1 PC Brand Name: XMSJ

Brand Name: XMSJ

Type 1: Stubborn Limescale Cleansing

the probe tip contact the positive terminal of the diode

and multiple settings

and durable

Diamond Tester Portable Electronic Gemstone Testing Pen for Jewelry Jade Ruby Stone Hardness Id Color:Black-1 PC Brand Name: XMSJSPECIFICATIONS Brand Name: STONE GO 1. Easy to use even for a new beginner 2. Emit audible sounds to give accurate reading 3. Diamond indicator will be showed if the stone is a REAL diamond (Green light) 4. Metal alert (continuous buzzing sound when user accidentally touches metal rather than stone ) 5. Large Small switch for testing diamonds + 8 points 6. To emit sounds to give accurate reading 7. LCD display & LED indicator 8. If a stone is Fake