Portable Diamond Tester Selector Illuminated Jewelry Gemstone Testing Tool Kit Product Feature This diamond tester has a highly compact design, which can perform fast, accurate, and safe diamond testing, which is very suitable for carrying with you when buying diamonds.This diamond tester will indicate whether your diamond is genuine or fake. You can quickly and easily understand the diamond data.The LED light and audio indication of this diamond tester test the true and false results of the diamond.This diamond tester is a precision electronic instrument, the use environment is 5-35 degrees Celsius, and the relative humidity of the air is 80%. The gems to be tested must be clean, dry, and at room temperature.This tester is non-destructive and easy to operate.Note 1. Turn on the power of the tester and heat the probe. It usually takes 20 seconds to touch the hot needle to the surface of the sample.2. According to the signal sent by the thermal conductivity meter, it can be determined whether the sample is diamond.Product Specification TypeDiamond TesterMaterialPlastic + MetalColorBlackSizeApprox. 160x40x22mm / 6.3×1.6×0.9inchPower SupplyPowered by 9V battery (not included)Package Included 1 X Diamond Tester1 X Bag1 X Test Tray1 X User Manual Extra Information: Bring back the original brand new look!This is a NEW part.This item is BRAND NEW! Best replacement available! Save MONEY and your PHONE by using the best replacement part available.This Assembly ships with a protective foam wrap, along with a protective plastic to prevent any scratches.This item is very carefully packaged Payment Information:We Accept PayPalWe Accept Credit Card via PayPal Shipping Information: We provide Same Day SHIPPING domestically within the U.S.A USPS First Class (3-5 business days) & USPS First-Class International (14 days with tracking)(We do ship to APO/FPO)We reserve the right to charge additional shipping fee for reship items due to wrong shipping address provided during checkout.All orders before 5PM EST will ship out same day!, Monday – FridayShips Same Day Today! Refund & Return Policy:We offer a 30 day return policy on all items purchased from us.Please contact us within 30 days after receipt of the item for a return.Do not ship the item back to us without contacting us first.Return shipping is responsibility of buyer. -We thank you so much for looking! If you have any questions or concerns, please do not hesitate to message us. Have a great day!