Choose your level of certainty
From a free instant photo screen to an insurance-ready lab certificate — every option is backed by certified gemologists and built to give you a straight answer about your stone.
Photo Verification
FreeA first-pass verdict in under a minute.
Upload sharp photos of your stone — table, profile and girdle. Our gemologist-trained model reads facet geometry, light return and surface tells to flag whether it behaves like a natural diamond, a lab-grown, or a simulant such as moissanite or cubic zirconia.
- Turnaround
- Near-instant · verdict in ~38 seconds
- Best for
- A quick gut-check before you buy, sell or insure — and ruling out obvious simulants like CZ and glass.
What’s included
- Brilliance & dispersion analysis from your photos
- Simulant screening (moissanite, CZ, glass, white sapphire)
- Facet symmetry and cut-grade hints
- Confidence score on the natural / lab-grown / simulant call
- Shareable PDF summary you keep forever
Lab Certification
from $79Independent, gradeable, insurance-ready.
Ship your stone to our partner laboratory for instrument testing — thermal and electrical conductivity, refractive index, UV fluorescence and spectroscopy. You receive a numbered certificate covering the full 4Cs, origin (natural vs. lab-grown) and a plotted clarity map.
- Turnaround
- 5–7 business days · plus insured shipping each way
- Best for
- Anything you’ll insure, resell or pass down — where a numbered, gradeable certificate is non-negotiable.
What’s included
- Full instrument testing: conductivity, RI, fluorescence, spectroscopy
- Complete 4C grading report (cut, colour, clarity, carat)
- Definitive natural vs. lab-grown origin call
- Plotted clarity map of inclusions
- Tamper-proof numbered certificate recognised by insurers
Mail-in Testing
from $39Insured, tracked, back in your hands fast.
Prefer a quick verdict without full certification? Send your piece in our insured, tamper-evident mailer. A certified gemologist tests it by hand and returns a concise authenticity report — typically within three business days of arrival.
- Turnaround
- ~3 business days from arrival · insured both ways
- Best for
- Owners who want a hands-on, instrument-backed verdict fast, without committing to a full graded certificate.
What’s included
- Prepaid, insured, tamper-evident shipping mailer
- Hand-testing by a certified gemologist
- Thermal + electrical conductivity staging
- Authenticity verdict with estimated market value
- Concise written report, returned with your stone
Compare every option
| Feature | Photo | Mail-in Popular | Lab Cert |
|---|---|---|---|
| Starting price | Free | from $39 | from $79 |
| Turnaround | ~38 seconds | ~3 business days | 5–7 business days |
| Simulant screening | |||
| Natural vs. lab-grown | Indicative | Indicative | Definitive |
| Full 4C grading | Estimated | ||
| Estimated market value | |||
| Numbered certificate | |||
| Insurance-ready | |||
| Ship your stone in |
Not sure which to pick? Start free.
Run a free photo screen first — if it flags anything, upgrade to mail-in or lab certification in a couple of clicks.