• Largest range of reference available: E, F, G, H, I, J, K, L, M and N comparison stones
  • Expertly graded to master diamond color standards using the GIA grading scale
  • NEW! Featuring proprietary ColorLast technology
  • Laser inscribed color ID
  • NEW! Portable LED illuminated grading and storage case with built-in grading tray
  • NEW! Natural daylight illumination & UV fluorescence detection
  • NEW! NiMH rechargeable battery powered with micro-USB charging system
  • NEW! Includes protective carrying pouch, solitaire ring stone holder set for comparing mounted stones, micro-USB power cord and 100V-240V AC adapter
  • Lifetime Limited Warranty against color change
  • Hand-Graded in the USA

Click to Download the CZ Master Set Pro 2 Manual