Zak Jewelry Tools

GemOro® CZ Master Set Pro 2™

Professionally color grade diamonds in seconds with GemOro’s® new generation CZ Master Set Pro 2™! Each stone in the precision CZ Master Set Pro 2™ is treated with GemOro’s proprietary ColorLast™ technology to ensure permanent color saturation. It is expertly hand-graded to master diamond color standards using the GIA grading scale. The set comes in GemOro’s® PATENT PENDING LED illuminated grading and storage case, featuring daylight and UV LED’s, powered by rechargeable NiMH batteries and a micro-USB charging/power system.

  • Largest range of reference available: E, F, G, H, I, J, K, L, M and N comparison stones in either 1.00 ct or 0.50 ct diamond size.
  • Featuring proprietary ColorLastTM Technology.
  • Standard GIA grading scale with laser inscribed color ID.
  • Portable LED illuminated grading and storage case with built-in grading tray.
  • Daylight illumination & UV fluorescence detection.
  • NiMH rechargeable battery powered with micro-USB charger.
  • Includes solitaire ring stone holder set for comparing mounted stones, and 100V-240V AC adapter.
  • Lifetime Limited Warranty against color change.