Professional Diamond Tester Pen High Precision Gemstone Detector Portable Diamond Selector With Audio Visual Indicators And Metal Alert Protection Multi Gem Authenticity Testing Tool Jewelry Checker Device For Retailers Collectors Pawn Shop Owners
Quick answer
Is $11.89 a good price for Professional Diamond Tester Pen High Precision Gemstone Detector…?
It is the usual price, not a deal: $11.89 is in line with the typical price of $11.89 that DipScout measured over the last 6 days. Tracked since Oct 21, 2026, it ranged from $10.95 to $11.89.
$11.89
Today it costs $11.89 on AliExpress. Since Oct 21, 2026, when we started tracking it, it ranged from $10.95 to $11.89. By our price history, it is not on sale right now.
No drop compared with what we observed over the last 6 days. The store advertises "was $23.78", 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$11.89highest ever seen
Lowest$10.95Oct 21 to Oct 22
Highest$11.89since Oct 22
Tracked since Oct 21 · 1 changeHover over the chart to see each price.Tap the chart to see each price.
See every price change
| When | Price | Change |
|---|---|---|
| Oct 22, 06:38 UTC | $11.89 | +9% |
| Oct 21, 02:43 UTC | $10.95 | start |
| Store | STONEGO003 Store |
|---|---|
| Product rating | — |
| Store rating | — |
| AliExpress category | Tools › Measurement & Analysis Instruments |
| Recorded readings | 2 |
| First seen | 10/21/2026 |
| Last reading | 10/27/2026, 12:41:27 PM UTC |