A multi-functional precious stone testing apparatus for identifying a testing object, comprising: a measuring means a microcontroller (A40, B10) operatively linked to said measuring means, wherein said microcontroller (A40, B10) adapted to analyze a result from said measuring means to generate a test result of the testing object, wherein said microcontroller (A40, B10) comprises a communication unit (A43, B15) adapted for connecting with an electronic device to transmit said test result thereto; and a functional unit (A50, B40) operatively linked to said microcontroller (A40, B10), wherein said functional unit (A50, B40) comprises a voice indicator (A52, B44) that generates a voice indication signal of said test result; characterized in that the measuring means comprises: an infrared test system which comprises an infrared transmitter for emitting infrared to a surface of the testing object, and an infrared receiver receiving a reflection of the infrared from the surface of the testing object; a UV transmission system which comprises a short-wave ultraviolet UVA transmitter and a long-wave ultraviolet UVA transmitter for emitting short-wave ultraviolet and long-wave ultraviolet to penetrate the testing object; and a UV receiving system which comprises a short-wave ultraviolet sensor and a long-wave ultraviolet sensor for receiving the short-wave ultraviolet and long-wave ultraviolet after the penetration through the testing object. a measuring means a microcontroller (A40, B10) operatively linked to said measuring means, wherein said microcontroller (A40, B10) adapted to analyze a result from said measuring means to generate a test result of the testing object, wherein said microcontroller (A40, B10) comprises a communication unit (A43, B15) adapted for connecting with an electronic device to transmit said test result thereto; and a functional unit (A50, B40) operatively linked to said microcontroller (A40, B10), wherein said functional unit (A50, B40) comprises a voice indicator (A52, B44) that generates a voice indication signal of said test result; characterized in that the measuring means comprises: an infrared test system which comprises an infrared transmitter for emitting infrared to a surface of the testing object, and an infrared receiver receiving a reflection of the infrared from the surface of the testing object; a UV transmission system which comprises a short-wave ultraviolet UVA transmitter and a long-wave ultraviolet UVA transmitter for emitting short-wave ultraviolet and long-wave ultraviolet to penetrate the testing object; and a UV receiving system which comprises a short-wave ultraviolet sensor and a long-wave ultraviolet sensor for receiving the short-wave ultraviolet and long-wave ultraviolet after the penetration through the testing object. an infrared test system which comprises an infrared transmitter for emitting infrared to a surface of the testing object, and an infrared receiver receiving a reflection of the infrared from the surface of the testing object; a UV transmission system which comprises a short-wave ultraviolet UVA transmitter and a long-wave ultraviolet UVA transmitter for emitting short-wave ultraviolet and long-wave ultraviolet to penetrate the testing object; and a UV receiving system which comprises a short-wave ultraviolet sensor and a long-wave ultraviolet sensor for receiving the short-wave ultraviolet and long-wave ultraviolet after the penetration through the testing object.