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15.82 ct Black Obsidian Gemstone, Obsidian Gem in Trillion Cabochon Shape for Sale.
Photos are of Actual Product for Sale
15.82 ct Black Obsidian Stone, Natural Obsidian in Trillion Cabochon Shape for Sale Obsidian Gemstone in 23.6 x 20.4 mm Size for Sale, Obsidian Stone in Light Blackish Brown Color

15.82ct Natural Black Obsidian, Trillion, 23.6x20.4 mm

9.7 out of 10
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Product ID: 578584
Type: Obsidian
Weight: 15.82 ct 1 gem
Size: mm calibrated
Size: 23.6 x 20.4 x 5.5 mm
Exact Size: 23.56 x 20.35 x 5.54 mm
Length x Width x Depth
Shape: Trillion Cabochon
Color: Light Blackish Brown
Clarity: Opaque
Treatment: Untreated
Origin: United States
Content: 1 pc
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$
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Product Description

This is a 15.82 carat natural light blackish brown Obsidian gem, 1 pc in trillion shape with an exact size of 23.56 x 20.35 x 5.54 mm. This loose Obsidian gemstone was mined in United States and its clarity is Opaque. No treatment has been applied on this natural Obsidian stone

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I needed a very specific color of tourmaline and Gem Select had it. I had to get the client to agree and then ordered the stone. It arrived better than pictured and we all were very happy.

Posted By Tim W in February, 2026
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GemSelect offers excellent choices, prices & service- highly recommended! Unfortunately, prior to ordering a replacement gemstone, my jeweler neglected to mention it needed to be one that was a'cushion cuta' to fit the existing mount. Have yet to return/exchangea'

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