• Cubic Zirconia - Fire Opal - Round
  • Ring shown was created by Alexander Kraft using Cool Tools Cubic Zirconia and EZ960® Sterling Silver Clay. Stones include: Champagne Barrel Checkerboard, Amethyst Cushion Checkerboard and White Diamond Cushion Checkerboard with driftwood
  • Ring shown was created by Alexander Kraft using Cool Tools Cubic Zirconia and EZ960® Sterling Silver Clay. Stones include: Champagne Barrel Checkerboard, Amethyst Cushion Checkerboard and White Diamond Cushion Checkerboard with driftwood
1 3

Cubic Zirconia - Fire Opal - Round

Cubic Zirconia - Fire Opal - Round

CZF-323.5

Choose a Size

Made in China

$5.00 USD
$5.00 USD
Sale Sold out
Shipping calculated at checkout.
Add To Wishlist
See it in the Learning Center!

Cubic Zirconia - Fire Opal

Rated AAA, our lab created cubic zirconias are beautiful as precious gemstones. Our high quality, calibrated CZs are precision cut and perfect for any setting, or to embed directly into metal clay. The Fire Opal CZ features deep color saturation and brilliance that catch the eye.

Available in a variety of shapes, sizes and colors, get the sparkle and shine of precious gemstones with these beautiful, affordable stones.

Open fire or carbon fire at 1560°F / 20 min. May be fired up to 2 hours at 1650°F, but color will fade slightly. Hardness: Cubic zirconia has a rating of approximately 8.5 on Mohs hardness scale vs. a rating of 10 for diamond.

Click here for our Gemstone Firing Guide, a comprehensive list of gemstones, firing times and temperatures each can withstand.

 

Ring shown was created by Alexander Kraft using Cool Tools Cubic Zirconia and EZ960® Sterling Silver Clay. Stones include: Champagne Barrel Checkerboard, Amethyst Cushion Checkerboard and White Diamond Cushion Checkerboard.

View full details

See this Product in the Learning Center!

1 3

Overall rating: 4.9545455 / 5 from 22 reviews.

AI Generated Review Summary

Summary topics

Review topics: ["color","quality","problem","stones","buy"].

Review highlights

Reviews

Fire opal CZ

"One of my favorites! I love the color and so far they have fired with no issues."

— Sarah B. (5/5)

All My Cool Tools

"Love them all, and these fire opals worked perfectly when fired! They are fiery shiny."

— Cher S. (5/5)

Beautiful stones!

"I've been making more and more jewelry with the CZ's and the positive feedback is amazing. Every time I make a piece w/a stone it's sold! It's taking my jewelry sales to a next level."

— Arlesienne S. (5/5)

Torch fired

"They held up great, and kept their brilliance with a two minute torch fire."

— Sharon R. (5/5)

Stunning

"Stunning"

— Sherrie A. (5/5)

The color is magnificent.

"The color is magnificent."

— Sandra V. (5/5)

Beautiful Stone

"Love this stone! Beautiful color!"

— Deborah J. (5/5)

Fire Opals

"So pretty!"

— Mary G. (5/5)

Beautiful, but a little bit different color than I expected.

"For some reason I thought these were more red. But they lean to more of an orange. Very beautiful and fire in metal clay nicely."

— Cindy S. (5/5)

Zirconia Fire Opal

"Very beautiful! Worked great!"

— Christina A. (5/5)

Q&A