Can distinguish diamond from white corundum and YAG. Effective in distinguishing between real and fake diamonds. Very easy to use. LCD display. LED lights. Emits audible sounds to give accurate reading. Buzzer alerts you when the probe tip touches metal. Diamond indicator illuminates (GREEN) to report that a REAL diamond is being tested. If stone is fake, such as a simulant cubic zirconium (CZ) crystal, there will be no reaction. Instructions included. Great tool when shopping for jewelry, buying/trading diamonds, collecting gems, gem stone bead work, scrap jewelry collecting, bidding at auctions, estate sales & more.

All materials brand new and ready to ship. Authentic PuriTEST gold-colored 30x magnifying loupe, sealed in box. Digital diamond tester includes leather case. Includes genuine Culti Diamond Selector II with 60-day money back guarantee. Excellent kit for anyone who handles loose or set diamonds & gemstones and other jewelry and precious metals items.

Magnification Strength: 30 x. Item Dimensions LxWxH: 7.3 x 2.3 x 1.3 inches. Item Weight: 0.4 Pounds. Color: Black. Brand: Culti. Batteries required: Yes. Best Sellers Rank: #50,253 in Arts, Crafts & Sewing. Customer Reviews: 3.9 out of 5 stars 158 ratings 3.9 out of 5 stars. Batteries: 1 9V batteries required. Item model number: FBA_A10 + A23 JewelryCat.sdaf. : B005G51B5W. Manufacturer: Culti. Department: Womens. Item Weight: 6.4 ounces. Product Dimensions: 7.3 x 2.3 x 1.3 inches.