How to Polish a Rough Ruby

Written by andrea griffith
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How to Polish a Rough Ruby
Polishing your rubies will help them keep their lustre and value. (rubis et diamant image by WSC from

Rubies are beautiful and expensive gemstones. According to, the most important aspect in determining value is the colour of the ruby: "The term 'pigeon blood' colour has been used in the gemstone trade to characterise a perfect, fiery luminescent red of a perfect ruby." To keep your rubies looking great, or to improve the shine on rough, old or dirty rubies, make sure that you use the right kind of gem cleaner on them. This will help the gem keep its lustre and value.

Skill level:

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Things you need

  • Gem cleaner
  • 2 large bowls
  • Medium bristled toothbrush
  • Lint-free soft cloth

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  1. 1

    Pour some gem cleaner into a large bowl. It's best to clean your ruby (and other gems) in a bowl rather than over the sink to prevent the gems falling down the drain.

  2. 2

    Place the ruby (or rubies) into the bowl of soapy cleaning solution. You can use a gem cleaner like Blitz Gem and Jewelry Cleaner. If you do not have a gem cleaner, you can use liquid antibacterial hand soap, which works great to clean and polish rubies.

  3. 3

    Clean the ruby entirely using a toothbrush. Brush the ruby gently.

  4. 4

    Pour cool water into a separate bowl. Place the ruby or rubies in the separate bowl to rinse them off. Make sure that all of the soap comes off of the rubies.

  5. 5

    Pat the rubies dry using a soft cloth. Place the rubies in a jewellery bag for storing.

Tips and warnings

  • Although rubies are a tough gem, be careful in choosing the cleaner. Some chemicals can strip away a ruby's lustre. Also, do not leave rubies in any gem cleaner. This can also reduce their shine.

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