The Dia true Coda Diamond Tester is a cutting-edge solution designed to identify CVD and HPHT lab-grown diamonds with exceptional accuracy. Developed by Diatrue, a leader in diamond detection technology, Coda offers reliable identification of a wide range of gemstones, including:

Lab-Grown Diamonds (CVD & HPHT)

Moissanite

Cubic Zirconia (CZ) — including CZ with CVD coating

With a single scan, Diatrue Coda provides precise results for loose stones and mounted jewelry such as rings, bracelets, and watches. Its built-in high-resolution 360º camera ensures no detail is missed, making it an essential tool for jewelers, gemologists, and pawnshops.
CODA works with a cell phone allowing you to send the results via wifi connection as well as print a certificate. Meanwhile, CODA is substantially cheaper than any of the competitors’ devices. It is compact, portable, and easy to use. It can be connected to a power adapter or a power bank for use while traveling.

Why Choose Diatrue Coda?

✅ Advanced Diamond Detection
• Accurately detects CVD and HPHT lab-grown diamonds, moissanite, and CZ

✅ Single Scan Versatility
• Tests loose, single, or mounted stones, including those with CVD coatings

✅ Wide Color Range
• Identifies colorless to near-colorless diamonds (D to K color range)

✅ Small Stone Capability
• Tests stones as small as 0.02mm and higher

✅ 360º Real-Time Imaging
• Built-in high-resolution camera for thorough examination of delicate jewelry

✅ Dual Operation Modes
• Manual Mode for loose stones or full tray testing with handy image reference
• Auto Smart Detection Mode for separated loose stones in a special tray

✅ Color-Coded Results for Quick Analysis
• Blue: Natural Diamonds
• Red: HPHT Lab-Grown Diamonds
• Pink: CVD Lab-Grown Diamonds
• Black: Cubic Zirconia (CZ) & Moissanite

✅ Built-in Certificate Generator
• Generated, printed, and shared official detection certificates with clients

✅ Automatic Software Updates
• Receive the latest improvements with automatic updates from the Diatrue website

Diatrue can be used in:

jewelry shops
pawn shops
online jewelry stores
offices
gemological laboratories
on business trips



Features
Detect synthetic diamonds grown by HPHT or CVD methods.
Detect Diamond simulants like CZs and Moissanites as well as synthetic diamond coated moissanite and CZ
Identify stones on jewelry, unmounted diamonds and melee diamond parcels
Detect as small as 0.01 ct stones and higher
360-degree real time view for rings
Faster (only 3 seconds scan)
Has a large variety of scanning options
Is more accurate and specific for jewelry
User friendly
Easy to update software
Test Result Sharing to social media
Export your result via email
Generates a certificate for sharing and printing
Cell phone built-in with high camera resolution
Low current consumption
Detect colorless diamond (Color D to L)
Real time function for precise stone identification with results in 1 second that then can shared via mobile devices
Special feature to reduces false-positive results
With Anydesk can present all feature and you can take control from anywhere in the world
Tray 6x6 cm
Matrix tray 4x4 cm
Comes with a carry-on bag, ring tray, rotating ring holder and black/white trays
Support and service at all times

Features

No features available

No technical specs available