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  • Regular price

    $6.75 - $9.90

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    Sale price
    $6.75
    Imitation Peacock Opal Gemstone - Cabochon Oval
    Imitation Peacock Opal Gemstone Our lab created gemstones are as beautiful as natural stones. These high quality stones are precision cut and perfect for any setting, or to embed directly into meta...
  • Regular price

    $8.50

    Regular price
    Sale price
    $8.50
    Imitation Peacock Opal Gemstone - Cabochon Round 6mm Pkg/2
    Imitation Peacock Opal Gemstone Lab created gemstones are more affordable than natural stones, and unlike natural stones, they have no flaws. Our lab created gemstones are as beautiful as natural s...
  • Regular price

    $5.60 - $9.50

    Regular price
    Sale price
    $5.60
    Imitation Red Opal Gemstone - Cabochon Oval
    Our lab created gemstones are as beautiful as natural stones. These high quality stones are precision cut and perfect for any setting, or to embed directly into metal clay. Available in a variety o...
  • Imitation Red Opal Gemstone - Cabochon Oval 13mm x 18mm - Pkg/1Imitation Red Opal Gemstone - Cabochon Oval 13mm x 18mm - Pkg/1
    Sale
    Regular price

    $10.00

    Regular price
    $18.50
    Sale price
    $10.00
    Imitation Red Opal Gemstone - Cabochon Oval 13mm x 18mm - Pkg/1
    Product Dimensions: 13mm x 18mmMade in ChinaCreative Reward Points you'll earn: 10 Our lab created gemstones are as beautiful as natural stones. These high quality stones are precision cut and perf...
  • Imitation Red Opal Gemstone - Cabochon RoundImitation Red Opal Gemstone - Cabochon Round
    Sale
    Regular price

    $5.25 - $20.15

    Regular price
    $20.50
    Sale price
    $5.25
    Imitation Red Opal Gemstone - Cabochon Round
    Imitation Red Opal Gemstone No Fire: Set after firing. Hardness: Imitation Opal has a rating of approximately 5.5 on Mohs hardness scale. Thickness: LAB-170: 1.5mm. LAB-171: 1.7mm. LAB-172: 1.8mm. ...
  • Regular price

    $7.80

    Regular price
    Sale price
    $7.80
    Imitation White Opal - Round 6mm Pkg/2
    Imitation White Opal - Round Lab created gemstones are more affordable than natural stones, and unlike natural stones, they have no flaws. Our lab created gemstones are as beautiful as natural ston...
  • Regular price

    $10.00

    Regular price
    Sale price
    $10.00
    Imitation White Opal - Square 6mm Pkg/2
    Imitation White Opal - Square Lab created gemstones are more affordable than natural stones, and unlike natural stones, they have no flaws. Our lab created gemstones are as beautiful as natural sto...
  • Regular price

    $10.50

    Regular price
    Sale price
    $10.50
    Lab Gemstone - Opal Blue/Green - Square 6mm Pkg/2
    Lab Gemstone - Opal Blue/Green Lab created gemstones are more affordable than natural stones, and unlike natural stones, they have no flaws. Our lab created gemstones are as beautiful as natural st...

Showing 1 -8 of 8 items

Opal

These stunning Opal Gemstones are high quality and feature stunning specks that diffract light. If you are looking for an inexpensive way to add gemstones to your design, lab gemstones are just for you. Choose from different shapes and sizes. Our selection should not be fired and set after firing.
For firing temperature and time on a variety of gemstones, refer to our Gemstone Firing Guide:

Click here to download a PDF version of our firing guide.