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Close-up of a marquise-cut diamond showing its elongated shape and pointed ends against a neutral background.

What Are the Four Cs of Diamond Quality? (UK Gu...

A diamond’s quality is assessed using the four Cs – carat weight, cut, colour and clarity. These criteria help you understand a stone’s appearance, rarity and value and provide a...

What Are the Four Cs of Diamond Quality? (UK Gu...

A diamond’s quality is assessed using the four Cs – carat weight, cut, colour and clarity. These criteria help you understand a stone’s appearance, rarity and value and provide a...