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Opal is a gemstone characterized by its shimmering, iridescent play of color. There are several varieties of opal, and among them, boulder opal refers to opal that remains attached to its host rock. A penlight was used for some of the photography.
Mr. Sanget
・Type: Loose stone (natural stone)
・Stone Name: Boulder Opal
・Weight: 4.444ct
・Size: 14.9 x 11.6 mm
・Shape: Cabochon cut
・Scratches/Chips: A
・Inclusions: None
・Remarks: ---
・Accessories: KARATZ Quality Guarantee, loose stone case (or a clear zip-top bag if the stone does not fit)
※ We strive to ensure that the colors in our photos match the actual products as closely as possible, but colors may appear slightly different depending on lighting conditions at the time of photography or your monitor settings. Please note that a penlight may be used for some of our photographs.
※ For products that include UV fluorescence photos, they are taken using a 365nm wavelength blacklight. If you use a light with a different wavelength (e.g., around 395nm), the fluorescence may appear weaker or be difficult to see. The blacklight used by our store is available here.
※ For information on scratches, chips, treatments, and inclusions, please see here.
※ For other frequently asked questions, please see here.
karatz_item_id: 12564471
・Type: Loose stone (natural stone)
・Stone Name: Boulder Opal
・Weight: 4.444ct
・Size: 14.9 x 11.6 mm
・Shape: Cabochon cut
・Scratches/Chips: A
・Inclusions: None
・Remarks: ---
・Accessories: KARATZ Quality Guarantee, loose stone case (or a clear zip-top bag if the stone does not fit)
※ We strive to ensure that the colors in our photos match the actual products as closely as possible, but colors may appear slightly different depending on lighting conditions at the time of photography or your monitor settings. Please note that a penlight may be used for some of our photographs.
※ For products that include UV fluorescence photos, they are taken using a 365nm wavelength blacklight. If you use a light with a different wavelength (e.g., around 395nm), the fluorescence may appear weaker or be difficult to see. The blacklight used by our store is available here.
※ For information on scratches, chips, treatments, and inclusions, please see here.
※ For other frequently asked questions, please see here.
karatz_item_id: 12564471
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[Item 12564471] Australian Boulder Opal 4.444ct Loose Gemstone
Sale price¥17,800
Regular price



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