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How to cut opal – see a gem emerge from a rough opal

A customer bought a rough piece of opal and was unsure how it should be cut. He decided to send it back, so Justin cut it… tune in to watch a black opal emerge.

Normally, we would re-list any stones that are sent back to us but Justin just couldn’t back down from this challenge.

This episode is a long one but a great one so grab yourself a cup of something and enjoy watching the magic unfold.

You will see the whole process as well as tips and advice on the following:

  • Assessing rough opal for colour
  • How to decide which way an opal should be cut
  • How the dome is formed on an opal
  • What grades of diamond wheels are used when
  • How to achieve that final perfect polish

For those not keen on cutting opal themselves you will still find the video fascinating as a gemstone is revealed layer by layer – and you will be well on your way to understanding how to cut opal at an expert level!