معرفی

مستر استون گوهرشناسی

منطبق بر استاندارد GIA آمریکا از رنگ E تا N 

GemOro CZ Master stone

بررسی تخصصی

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

ویدئو :