Fire Glass Diamonds - Onyx Black Luster

Close up of coal jet black fire glass rocks
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Want a dark, mysterious look for your fire pit or fireplace? Celestial Fire Glass Diamonds in Onyx Black Luster truly catch the eye, with a deep obsidian shade that springs to shimmering life beneath the flickering flames.

This variety of fire glass has the silhouette of a diamond, but with a soft, rounded shape instead of sharp edges. What's more, the fragments are a full inch in size, making this one of the larger types of fire glass available. The slight variation in shape among the pieces provides a textured look and enhances its overall beauty.

The Celestial difference:

  • High-intensity illumination. Our Fire Glass Diamonds have a special iridized finish that reflects the fire or sunlight, resulting in jaw-dropping shine!
  • Safer for kids and pets. These Fire Glass Diamonds are a gentler version of our regular fire glass, with rounded edges that eliminate the risk of injury.
  • 100% safe and nontoxic. Rest assured that your fire pit glass is completely nontoxic and releases no harmful vapors or foul-smelling fumes.
  • Won't warp, melt, or fade. While some fireplace media can lose their luster and beauty after a few fires, our fire pit glass is highly heat resistant.
  • Jazz up your surroundings. Use your Fire Glass Diamonds to add color and light to landscaping, water fountains, and decorative bowls and vases.
  • Packed in a protective jar. While other brands of fire pit glass come in bags that allow breakage during shipping (much like a bag of ice), ours is packaged in a sturdy plastic jar. So your glass arrives in pristine condition.



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