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Opal is a gemstone characterized by the flickering of rainbow colors. There are several types of opal, but the red flames flickering in the pitch black darkness of black opals are particularly beautiful. The background color can be black, blue, or gray. The photo was taken using a penlight.
Black opal from Lightning Ridge, Australia.
Type: Loose (natural stone)
・Stone name: Black opal
Weight: 3.890ct
・Size: 10.5×11.8mm
・Shape: Oval cut ・Scratches/chips: S
・Inclusions:- ·remarks:---
・Accessories: Caratz quality guarantee, loose case (if it does not fit, a clear zip case)
▷For more information about black opal
Black Opal! Three reasons why this fascinating gemstone is chosen
*We try to make the colors in the photos as close as possible to the actual product, but they may look slightly different from the actual product depending on the lighting conditions at the time of shooting and the monitor environment you are using. Also, some photos may have been taken using a penlight.
*For information on scratches, chips, treatments, and inclusions, please click here .
*For other frequently asked questions, please click here .
karatz_item_id: 12551148
Type: Loose (natural stone)
・Stone name: Black opal
Weight: 3.890ct
・Size: 10.5×11.8mm
・Shape: Oval cut ・Scratches/chips: S
・Inclusions:- ·remarks:---
・Accessories: Caratz quality guarantee, loose case (if it does not fit, a clear zip case)
▷For more information about black opal
Black Opal! Three reasons why this fascinating gemstone is chosen
*We try to make the colors in the photos as close as possible to the actual product, but they may look slightly different from the actual product depending on the lighting conditions at the time of shooting and the monitor environment you are using. Also, some photos may have been taken using a penlight.
*For information on scratches, chips, treatments, and inclusions, please click here .
*For other frequently asked questions, please click here .
karatz_item_id: 12551148
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[12551148] Australian black opal 3.890ct loose stone
Sale price¥69,800
Regular price





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