Yes, there are machines specifically designed to test diamonds.
These machines are particularly useful for differentiating between natural earth-mined diamonds and lab-created or synthetic diamonds.
4 Key Features to Know
1. Technology and Functionality
The machines, such as the CVD diamond testing machine, are designed to differentiate between natural earth-mined diamonds (types Ia, Ib) and lab-created or synthetic diamonds (types IIa, IIb, CVD, or HPHT).
These machines utilize advanced techniques like thermal conductivity testing.
Thermal conductivity testing involves a pair of battery-powered thermistors.
One thermistor heats up while the other measures the temperature of the copper tip.
If the stone is a diamond, it conducts thermal energy rapidly, causing a measurable temperature drop.
This test is quick, taking about two to three seconds.
2. Detection of Synthetic and Treated Diamonds
With the advent of new laboratory techniques like HPHT and CVD, synthetic and treated diamonds have become increasingly difficult to distinguish from natural ones.
The testing machines are equipped to detect these enhancements and synthetics, flagging them as non-natural.
This is crucial in an industry where technology can easily deceive even experienced dealers.
3. Versatility and Precision
These diamond testers can test both mounted and loose diamonds.
They cover a color range from D to J.
They use ultra-violet short waves instead of just heat and electrical conductivity, enhancing their precision and ability to detect synthetic diamonds that might fool normal testers.
4. Spectroscopic Analysis
Some machines, like the DiamondView, employ spectroscopic analysis.
This involves bombarding the diamond with specific types of radiation and analyzing the output.
This method can reveal microscopic growth lines in CVD diamonds, indicating their synthetic nature.
This level of detail helps in providing a definitive report on whether a diamond is lab-grown or natural.
Continue exploring, consult our experts
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