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
$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. 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 3 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 AliExpressAffiliate link: we earn a commission on completed purchases, and the price is the same with or without our code. The 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 | 10/22/2026, 12:40:22 PM UTC |