Multi-Functional Precious Stone Testing Apparatus and Method Thereof

A multi-functional precious stone testing apparatus, comprising:

• a power source unit;
• a portable housing which comprises a hand-held casing receiving said power source unit therein, and a probe casing coaxially extended from a front end of said hand-held casing;
• a testing unit comprising:
• an evaluation circuit received in said hand-held casing and electrically linked with said power source unit;
• a conduction unit, which comprises a conduction circuit operatively linked to said evaluation circuit and a conductive probe supported in said probe casing and operatively linked to said conduction circuit for contacting a testing object for determining a thermal conductivity or an electrical conductivity of the testing object and sending a testing signal to said evaluation circuit to analysis said testing signal in responsive to a conductivity of the testing object in order to identify the testing object as diamond by said thermal conductivity and as moissanite by said electrical conductivity;
• and
• a switch control configured to selectively control said conduction unit;
• and
• an indication unit which is a mobile device wirelessly linked and configured with said evaluation circuit through a wireless network for generating an indicating effect to identify the testing object in responsive to said conductivity of the testing object and for illuminating said testing end portion of said conductive probe during testing, wherein said indication unit is configured that when said conductive probe is in contract with the testing object to activate said evaluation circuit, said indication unit generates a testing signal to identify the testing object as diamond by said thermal conductivity and as moissanite by said electrical conductivity.

A method of classifying a testing object by a multi-functional precious stone testing apparatus which comprises a hand-held casing and a probe casing extended therefrom, comprising the steps of:

• (a) determining a conductivity of the testing object by contacting a testing end portion of a conductive probe of a conduction unit of said testing unit to the testing object, wherein said testing end portion of said conductive probe is extended out of a tip end of said probe casing;
• (b) illuminating said testing end portion of said conductive probe by an illumination light which is positioned away from said tip end of said probe casing for preventing heat generated from said LED light unit being transmitted toward said conductive probe to affect an accurate measurement for said conductivity of the testing object;
• and
• (c) activating one of a plurality of indicating lights in responsive to said corresponding conductivity of the testing object to classify the testing object as one of Moissanite, diamond, metal, and other stone.