Professional Diamond Tester Pen Portable Thermal Conductor Tool for Authenticity Testing of Diamonds Jadeite and Jade High Accuracy Gemstone Selector Detector Audio Buzzer Indicator Device
Quick answer
Is $9.29 a good price for Professional Diamond Tester Pen Portable Thermal Conductor Tool for…?
Too early to tell: DipScout has tracked this price for 1 day, and comparing it with a typical price takes at least 7 days. Tracked since Oct 30, 2026, the price hasn't changed.
$9.29
Today it costs $9.29 on AliExpress. Since Oct 30, 2026, when we started tracking it, the price hasn't changed. We haven't tracked it long enough yet to say whether it's on sale.
We have tracked this product for 1 day; confirming a drop takes at least 7 days. The store advertises "was $25.52", but that is the store's own claim; we only state discounts our price history proves.
View on AliExpressThe price above is the last recorded reading, not a live checkout lookup.
Price history
Today$9.29steady
The price hasn't changed once since Oct 30, when we started tracking it.
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| Store | Shop1105233629 Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Tools › Measurement & Analysis Instruments |
| Recorded readings | 1 |
| First seen | |
| Last reading |