Because diamonds are so valuable, it’s essential to have a universal grading system for comparing their quality. In the 1940s and ’50s, GIA developed the 4Cs and the GIA International Diamond Grading System™ to objectively compare and evaluate diamonds.
At M.K. Winston Jewelers
We Are Here For You
We Pride Ourselves In Educating
Our Customers
So That You May Choose The Diamond
That is Right For You
Come In And Let Our GIA Graduate Gemologist
Guide You Through The 4C's Of Diamonds
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