• Cubic Zirconia - Jet Black - 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
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Cubic Zirconia - Jet Black - Round

Cubic Zirconia - Jet Black - Round

CZF-775.5

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Made in China

$5.00 USD
$5.00 USD
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Cubic Zirconia - Jet Black

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 Jet Black CZ features deep dark color sure to 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.

Stable at all metal clay temperatures. 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.

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Overall rating: 4.75 / 5 from 4 reviews.

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Review topics: ["gems"].

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Reviews

Fire in Place

"I love setting cubic zirconia stones and firing them in place to add sparkle and color to my work. These are of good quality and retain their color post fire."

— Susan S. (5/5)

CZ jet black round

"I have people request for black stones so I had to finally get some! I use the cz's and nanogems and love them both. I do not notice any color change during firing."

— Lisa E. (5/5)

Nice little gems

"Nice little gems"

— Lisa H. (4/5)

Perfect! Customer was very happy!

"Perfect! Customer was very happy!"

— Sheryll H. (5/5)

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