Screen the stone before you trust the sparkle.
A pocket-size electronic tester gives you an instrumented first pass when visual guesses are not enough.
Five-piece kit includes the tester, sizing gauge, 9V battery, pouch, and instruction booklet.
A stone can look convincing while giving you almost no useful evidence.
Color, brilliance, and a seller’s description are not a reliable identification method by themselves. Visual inspection can tell you what deserves attention, but not what the stone actually is.
Scratch tests and improvised home methods can damage jewelry or create false confidence. For valuable stones, a first-pass instrument is more useful than a guess—but it is still not a professional appraisal.
Use thermal behavior as an immediate screening signal.
The tester places a small probe on the stone and reports a result through its indicator and sound. The product record describes it as a portable tool for checking diamonds and common simulants.
Use it as a screening step, follow the supplied instructions, and confirm any high-value buying or appraisal decision with appropriate professional testing.
A complete first-pass kit that travels easily
Instrumented screening
Replace an unaided visual guess with a repeatable electronic test step.
Five included pieces
Tester, sizing gauge, 9V battery, carrying pouch, and instruction booklet are included.
Portable format
The compact tester is intended for bench use or travel between buying and appraisal contexts.
Before
A stone is judged from appearance, seller claims, or risky improvised tests.
After
You have an immediate electronic screening signal to inform the next step.
Bridge
Apply the probe correctly, read the indicator, then escalate valuable or uncertain stones for expert verification.
One portable tester kit for first-pass screening
Includes the electronic tester, diamond sizing gauge, one 9V battery, leather storage pouch, and instruction booklet. Treat the result as a screening aid, not a substitute for a gemological laboratory or professional appraisal.
Eligible unused items may be requested for return within 30 days of delivery, with approval required before return. Made-to-order, custom, sale and other excluded items remain governed by the current Genius Loci refund policy.
Questions before you order
Will this prove a stone’s value or grade?
No. It is a screening tool. It does not establish carat weight, color, clarity, cut, treatment, provenance, or market value.
Can I use it instead of a professional appraisal?
Not for a consequential purchase or valuation. Use it for a first-pass signal and seek professional confirmation when the result matters.
What is included?
The current product record lists the electronic tester, sizing gauge, 9V battery, storage pouch, and instruction booklet.
How does the tester work?
The product description explains that the probe compares how heat moves through the tested stone and reports through its display or sound indicator. Follow the included instructions.
Give the stone a test—not a guess.
Carry the kit, screen the stone correctly, and know when the next step should be professional verification.