Combining global standards with groundbreaking innovation for complete confidence — the highest-resolution analysis of bare diamonds from 0.05 ct and above.
JTR Natural Diamond Identification Reports were developed to provide the highest possible resolution and reliability in the analysis of loose diamonds.
Thanks to the transparency of our analysis process and standards, the report is an indispensable tool in the international diamond trade — used for the highest-precision grading of diamonds from 0.05 ct and above.
The Natural Diamond Identification Report pairs complete 4C grading with an interactive JTR360 view — a 360° video of the actual stone that can be rotated and examined from every angle.
It is the first diamond grading report in the industry to include a visualization of the actual graded stone, giving traders and consumers unmatched transparency and confidence in what they are buying.
Confirms the diamond is natural — not lab-grown or simulant — using FTIR, UV-Vis and photoluminescence spectroscopy to read each stone’s fingerprint.
Precise mass measurement to two decimal places on validated micro-balances, per ISO 24016 and the IDC Rule Book.
Identification of colour grade in line with the IDC Rule Book and international 4Cs standards.
Documentation of internal and external features from Loupe Clean to Pique 3, following ISO 24016 and the IDC Rule Book.
Assessed for proportions, symmetry and polish , the elements that define a diamond’s brilliance and fire, in line with global grading practices.
An interactive, frame-by-frame 360° video of the diamond that allows examination from every angle . An industry-first feature for unmatched transparency.
Our reports feature advanced anti-counterfeiting measures that ensure authenticity and peace of mind.
Prevents any alteration of report details. Hidden text can only be read under magnification.
Responds to light at a latent wavelength — measurable only spectrometrically, making duplication impossible.
Special markings visible only under ultraviolet light provide an additional layer of protection.
Connects directly to JTR servers for instant validation, confirming the report is authentic.
Add your brand’s logo to the report with a brand registration or authorization certificate, reinforcing your credibility.
Laser-inscribe the report number or custom content on the diamond — read with the IRIS Laser Inscription Reader for added security.
A tamper-proof seal guarantees the report and diamond belong together and protects the stone — the perfect retail kit.
Compare the Natural Diamond Identification Report and Report Mini to select the format that best matches your requirements.
| Most detailed Diamond Identification Report Large format |
Report Mini Compact format |
|
|---|---|---|
| Grading Criteria | ||
| Authenticity of Diamond | ||
| Carat | ||
| Colour Grade | ||
| Fluorescence Grade | ||
| Clarity Grade | ||
| Cut Grade | ||
| Proportion | ||
| Symmetry | ||
| Polish | ||
| Additional Services | ||
| Co-Branding | ||
| Laser Inscription * | ||
| Sealing | ||
| Security Features | ||
| Micro Text | ||
| Spectrometric Hologram | ||
| Fluorescence Marks | ||
| QR Code | ||
| Size | ||
| Folded | 100 × 210 mm | 91 × 127 mm |
| Unfolded | 296 × 210 mm | 180 × 127 mm |
* Laser Inscription available on request.
Every JTR lab operates under global standards, independent accreditations, and the expertise of certified gemologists.