The 4Cs

The Graff standard

Discover how every diamond is evaluated and assessed at Graff, from the 4CS prescribed by the GIA to our quest for perfection at every stage in a stone’s journey.

“We take great pride in knowing that our diamond engagement rings will be passed down the generations, building their own stories along the way.”

 Laurence Graff

Graff diamonds with different cut and shape

Cut

The cut of a diamond determines its shape and is extremely important to its overall beauty. Our diamond cutters and polishers are among the best in the world and they apply their skills to craft perfectly balanced sillhouettes and symmetrical mirror-like facets that display optimum scintillation.

Next: Carat

A-bride-and-groom-holding-hands-wearing-Graff-jewellery

Carat

Carat is the unit of measurement used to describe a diamond’s weight and is equal to 0.2 grams. From perfectly proportioned stones of less than one carat to extraordinary gems weighing over 100 carats, each Graff diamond is a true masterpiece.

Next: Colour

A bride holding a white flower and wearing Graff bridal jewels

Colour

The most highly regarded white diamonds are completely, or close to completely, colourless. Graded on a scale from D to Z, most Graff diamonds range between D and G – the rarest and most sought-after grades.

Next: Clarity

Graff diamonds and a gemmologists loupe

Clarity

Clarity measures the number, size, position and colour of inclusions captured within, and blemishes on the surface of, a diamond. Graff diamonds are exceptionally pure; many are Flawless or display minute inclusions that are invisible to the naked eye.

Next: The Graff Way

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The Graff Way

From the sourcing of a rough diamond to the mounting of each jewel, our attention to detail extends far beyond the 4Cs. We listen to the story of every diamond and quietly contemplate its hidden depths before cutting and polishing the stone to best reveal its natural beauty. Only then do we celebrate its individuality in designs that display exceptional artistry and craftsmanship.

Read more about Diamond Shape or Explore Our Settings.

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