royaluxe - Kit de test d'or avec stylo et outil de test de bijoux en pierres précieuses, testeur de diamant électronique LED pour novice et expert noir, taille libre

LED light and audio result indicator. Red light will show and beeper will sound if the stone is a real diamond.

The thermal conductivity meter is designed and manufactured based on the thermal conductivity of diamond. It is particularly used for the identification of real and fake diamonds.

Lightweight, matched with a convenient carrying case. Detailed user manual included in the package.

Package Including: 1*Diamond Selector II, 1*Test Platform, 1*Carrying Case, 1*User Manual; Item Size: 16 * 4 * 2.2cm (6.6 * 1.6 * 0.8in)

Tips: Gemstones should be clean, dry and at room temperature. During the test, transferred to the first or second grid.