Gemmologists and jewellers assess the physical attributes of diamonds using the 4Cs classification system – cut, carat, colour and clarity.

The 4Cs classification enables the comparison and valuation of diamonds. No one 'C' is more significant than another, and none will diminish in value over time.

A diamond’s beauty is based on far more than these characteristics. Each one was formed billions of years ago and has travelled a long and arduous journey from deep within the Earth.

And while most of a diamonds’ qualities are defined by nature, it takes a master craftsman to unlock the diamond’s true brilliance, fire and beauty

• Cut
• Carat
• Colour
• Clarity