APEX Advanced Synthetic Diamond Tester Instruction Manual
Thank you for your purchase of the GemTrue APEX DK10300 Developed for excellence in synthetic diamond testing.
It is important that you read this user guide to gain a good understanding of this device and how it should be used to obtain accurate test results.
- Press and hold the power button until it beeps, then release.
- Wait for calibration to complete.
- Please remove the cap and wait.
- Choose the test option.
- Always make sure to hold the metal touch areas during testing for accurate results.
- Hold tester and Jewellery at 90 degrees to one another.
- Press the probe firmly at 90 degrees onto the stone’s table facet to start the test.
- Do not move or release. Wait for result.
- Test result will appear on the screen.
- Place loose stone on the plate. Press the probe firmly at a 90-degree onto the stone’s table facet
- Select test again or return to main menu.
- To turn off the device, press the shut down option.
- Always replace the cap when you are not using the device
- Insert the Type-C cable with a 5V / minimum 0.5A charger to recharge the device.
- When plugged in, the power light is red, it turns green when fully charged.
IMPORTANT NOTES
A. Battery Usage
Charge the tester fully before use. Low battery may affect accuracy. Recharge when the battery icon reaches the last red bar. Avoid using the tester while charging to prevent reducing battery life.
B. Charging
Use the provided USB-C cable for optimal charging.
The front power light turns red when charging and green when fully charged.
Required charger: DC 5V/ Minimum 0.5A (does not support PD fast charging).
C. Retesting
Wait for the result to clear before retesting.
Allow stones to cool between tests to prevent heat buildup, which may affect results.
D. Testing Stones
This tester is designed for testing CVD/HPHT/Type Ila, Moissanite, Natural Diamond, Simulant, and Cubic Zirconia (CZ).
E. Stone Colour Range
Optimized for polished stones with D to M color range. Stones outside this range or unpolished stones may yield inaccurate results.
F. Stone Cut and Size
Designed for round brilliant-cut stones.
Minimum testing size: 0.2ct.
Fancy-shaped stones may cause inaccurate results.
G. Care Instructions
Clean the tester’s tip gently with the included polishing cloth if unused for several days.
Clean stones with a dry tissue before testing to remove dust or oils.
H. Professional Consultation
If the tester provides unexpected results, consult a qualified gemologist or gemological association for further assessment.
This Tester is Fully Patented
US Patents: 12,235,212 / 12,130,238/11,243,170/11,073,482 / 10,539,010/8,947
111/10,203,317/10,203,288/9,453,808
China Patents: 202222990840X/202210427519.2
Hong Kong: HK40076121 EU: EP3032242B1
IMPORTANT SAFETY AND OPERATING GUIDELINES
UV Safety Warning
This device emits UV light briefly during testing. Avoid direct eye exposure to the probe sensor. When used as instructed, the UV light is safe and poses no harm to eyes or skin. Always follow safety guidelines for proper use.
Rechargeable Battery Warning
Charge the device only with the specified charger (DC 5V/Minimum 0.5A).
Do not overcharge or leave it plugged in after it is fully charged.
Avoid exposing the battery to extreme temperatures or direct sunlight.
For safe disposal, follow local recycling guidelines for rechargeable batteries.
Operating Conditions
Operating Temperature: 10°C to 35°C (50°F to 95°F)
Storage Temperature: 20°C to 25°C (68°F to 77°F)
Air Humidity: 15% to 70%
GEMTRUE WARRANTY TERMS AND CONDITIONS
The Gem True” APEX comes with a 24-month warranty from the date of purchase, provided the device is used as instructed in this user guide.
The warranty covers only manufacturing defects. Battery warranty is valid for 6 months due to its consumable nature.
Warranty Exclusions:
The warranty is void if the device has been disassembled, tampered with, or subjected to misuse.
Limitation of Liability:
- GemTrue® is not liable for any direct or indirect damages resulting from the use of this tester.
- The device is sold “as is” with no additional warranties, except as required by applicable law.
- GemTrue® reserves the right to modify these terms at any time.
Documents / Resources
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APEX APEX Advanced Synthetic Diamond Tester [pdf] Instruction Manual Quicktest, APEX Advanced Synthetic Diamond Tester, APEX, Advanced Synthetic Diamond Tester, Synthetic Diamond Tester, Diamond Tester |