4 Cs

1 article

A brilliant-cut diamond with exceptional sparkle, showcasing the beauty and complexity of diamond grading, with a hint of future advancements.

Diamond Grading: The 4 Cs & 2026 Evolution

Two different diamonds with identical GIA Diamond Grading Reports can look strikingly different in person, significantly impacting their selling price, according to Circa Jewels .

Oliver Dane·June 5, 2026