The precision of the facets, which determines how well the diamond interacts with light. Natural vs. Lab-Grown Diamonds
Because diamonds are the hardest known natural material (10 on the Mohs scale), they can only be polished using another diamond. The process of transforming a rough stone into a gem involves five steps: planning, cleaving/sawing, bruting, polishing, and final inspection. The 4 Cs of Quality DIAMOND
Most natural diamonds are between 1 and 3 billion years old. The precision of the facets, which determines how
The absence of internal flaws (inclusions) or surface imperfections. The precision of the facets
Formed by the Earth and mined, representing rarity and tradition.
What to look for in a certificate (like GIA) How to Make a Real Diamond - (Not Clickbait)