Diamonds can come in a wide variety of shapes which give the stones unique characteristics.
The Gemological Institute of America created the standards that the jewellery industry now uses to judge all diamonds: the 4 Cs – Colour, Clarity, Cut and Carat Weight.
"A bench jeweller is an artisan who uses a combination of jewellery-making skills to make and repair jewellery."
Learn about the Cullinan diamond, arguably the most famous diamond find in history.
This is the first entry in our series on Tools of the Trade, our look into the tools used by goldsmiths and bench jewellers around the world. We start with the jewellery loupe.