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Our Opal Doublets
Professionally Calibrated



Our Opal Doublets have been made with the Manufacturing Jeweller, the Opal "enthusiast" & the Artisan Jeweller in mind.

All our Opal Doublets are professionally & precisely calibrated to a world-class standard.

Our calibrations are cut within a fine variation of 1/10 tenth of a millimetre, ensuring a neat fit directly into your precious and semi-precious jewelry settings - for a beautifully finished jewelry creation !


Doublet Panarama



Our Doublet Backing....



The backing material that is used in our range of doublets is premium quality jet black Leadlight glass - it's MOHS hardness is virtually identical to that of opal, therefore very compatible.

The bonding of the opal to the leadlight glass is achieved by a special blending of five different industrial strength compounds - giving rise to an incredibly strong, durable and cohesive bonding compound, second to none.

An added benefit of using leadlight glass for backing material is the high mirror polish of the jet black sides (which matches the mirror finish of the opal face itself).

This is advantageous especially for the "claw-type" jewelry setting - where the sides, or a portion of the doublet side, is visible.





As we personally source, create and manufacture all of our own Opals-On-Black products, this reflects  in the genuine prices and  savings that we pass onto you.






Doublet Categories ...




(*Click image to go to relevant doublet-category page)

5 x 3mm
6 x 4mm
7 x 5mm
8 x 6mm
5 x 3 mm  6 x 4 mm  7 x 5 mm 8 x 6 mm 


9 x 7mm
10 x 8mm
11 x 9mm
12 x 10 mm
9 x 7 mm  10 x 8 mm  11 x 9 mm  (Arriving Soon!)
12 x 10 mm  


Other size doublets
Other Sizes



If you cannot find that special opal you are looking for.... please contact us.

It may well be that the opal that you are looking for is "on it's way" to our website !



"Millimetres to Inches Scale Chart"
For those of you who are used to other than metric, below is a basic scale to convert millimetres to inches (or part thereof).

- 5 mm = 7/32"

- 6 mm = 1/4"

- 7 mm = 9/32"

- 8 mm = 5/16"

- 10 mm = 13/32"

- 12 mm = 1/2"







Do You Have Jewelry That Needs A Makeover ?

Uplift that jewelry that you have had sitting in your jewelry box.... with one of our special opals from our range of Opal Doublets, Opal Solids or Creative Inlay Opals !

Our professional calibration allows your professional manufacturing jeweller to easily fit your opal into your jewelry setting .... With no fuss !

Unsure of what size opal your jewelry setting requires ?If you are unsure of the exact opal size for your jewelry setting, your professional Jewelry Manufacturer will be able to advise the correct size gem opal stone that you require.


Or ....

Are You Looking For That Special Opal Bead For Your Own Jewelry Design?

Are you creating your own artistic jewelry design piece and looking for that special opal bead to "fire" it up and finish it off to perfection... ?

Our diverse range of individually created and handcrafted Australian Gem Opal Beads are ideal for the artisan jeweller/beader or professional jeweller - here you will find the ideal bead or bead combinations to enchance your own individual jewelry designs.







All our prices are in Australian Dollars...



  • For our Australian customers, we are GST Tax Exempt.


  • Cheque/Money Orders for Australian Customers only - please contact us for details.


  • While all care has been taken in making available and maintaining the Currency Conversion Rates displayed on this site, such conversion rates are estimates only of currency conversions that may apply to a transaction.


  • Click here to view our  Shipping Rates


  • FREE Postage for purchases $400 or over !


Paypal Certified

Our Guarantee...

With over 35 years of opal cutting and expertise, the cut and polish of our products is benchmarked to the highest quality, to ensure full and complete customer satisfaction at all times.

  • Each Opal Doublet is made with the utmost care to attention and detail in every step of the manufacturing process.

  • Every piece of opal is hand-selected for it's stability & for the absence of any cracks and flaws. This guarantees ....

  • The enhancement of opal colour and it's brightness (through our doublet- making process) will be maintained for it's full and total life.

  • The professional calibration of our gem opal stones will allow an easy fit into your jewelry settings....


Therefore ....

We are happy to offer you a Lifetime Guarantee on the workmanship of all our Opal Doublets.

And...

  • Only 100% Australian Gem Opal is used for our doublets

  • All our photographs are taken in natural light (unless otherwise stated ) to give the closest opal comparison.

  • For your peace of mind, we offer a Full Refund Policy (no questions asked)



P.S... A note for those Libra personalities & October Scorpios, Opal is the Birthstone for October!





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