Free form Australian Opals are excellent for handmade jewellery as each of them is unique.

Loose Stone
(size)
Loose Stone
(free form)
Pairing

Matching pairing is perfect for making earrings, cufflinks etc.

Jewellery

There are opal jewellery in 14K gold and 925 silver with gold and rhodium plated.

There are oval, round, pear and marquise shape with calibrated sizes.

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Opal Doublet

These are the calibrated sizes
we currently cut.
Opal doublet grading is depending on the following aspects
  • Play of colour

  • Colour

  • Pattern

  • Brightness

  • Clarity​

© 2019 by Hang Fong Opal Co. All rights reserved.

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