by The Diamond Room | Sep 8, 2025 | Created Diamonds, Diamond Education, Diamonds 101, Lab Grown Diamonds, Uncategorized
Just announced: Starting October 1, 2025, the Gemological Institute of America (GIA) is retiring its traditional 4Cs grading system for lab-grown diamonds. Instead, GIA will now classify these stones as either ‘Premium’ or ‘Standard’. This...
by Matt O'Desky | Aug 6, 2025 | Diamond Education
Understanding the 4 C’s — Cut, Color, Clarity, and Carat — is essential to choosing the right diamond. These are the four key criteria used by the Gemological Institute of America (GIA) and other major labs to evaluate and grade diamonds. But not all C’s are created...
