Boulder Black Opal
Vintage 1970s American Art Deco Brooches
Opal, 18k Gold, Yellow Gold
Vintage 1970s American Art Deco Brooches
Opal, Black Opal, 18k Gold, Yellow Gold
Vintage 1970s American Art Deco Brooches
Diamond, Opal, Sapphire, 18k Gold, Yellow Gold
2010s Australian Contemporary Cocktail Rings
Opal, Black Opal, Diamond, Gold, 18k Gold, Yellow Gold
2010s Australian Loose Gemstones
Opal, Black Opal
21st Century and Contemporary Australian Pendant Necklaces
Diamond, Opal, Black Opal, 18k Gold
Vintage 1970s American Art Deco Brooches
Diamond, Opal, Black Opal, Yellow Gold
Late 20th Century Australian Art Deco Cocktail Rings
Black Opal, Opal, Diamond, Platinum, 18k Gold
2010s German Artisan Pendant Necklaces
Opal, Silver
2010s Dutch Artisan Beaded Necklaces
Opal, Black Opal, 18k Gold
21st Century and Contemporary Brooches
Diamond, Opal, Platinum
Late 20th Century Contemporary Pendant Necklaces
Diamond, Opal, 18k Gold
2010s Australian Loose Gemstones
Opal, Black Opal
2010s Australian Loose Gemstones
Black Opal, Opal
21st Century and Contemporary Australian Choker Necklaces
Diamond, Opal, 18k Gold, Platinum
Late 20th Century Australian Brooches
Diamond, Opal, Black Opal, Emerald, 18k Gold
2010s American Contemporary Pendant Necklaces
Opal, Sterling Silver
2010s Australian Pendant Necklaces
Diamond, Opal, Platinum
21st Century and Contemporary American Cocktail Rings
Diamond, Opal, Platinum
2010s Australian Loose Gemstones
Opal, Black Opal
Vintage 1970s American Art Deco Brooches
Opal, Yellow Gold
2010s American Contemporary Dangle Earrings
Diamond, Opal, Black Opal, Gold, 18k Gold, Yellow Gold
2010s Australian Loose Gemstones
Black Opal, Opal
Late 20th Century Australian Pendant Necklaces
Diamond, Opal, Black Opal, 18k Gold, Platinum
2010s Australian Loose Gemstones
Opal, Black Opal
Vintage 1970s American Retro Pendant Necklaces
Diamond, Opal, 14k Gold, Yellow Gold, Gold
21st Century and Contemporary Australian Pendant Necklaces
Diamond, Opal, Black Opal, 18k Gold, Platinum
Late 20th Century Australian Bangles
Diamond, Opal, Black Opal, 18k Gold, Platinum
21st Century and Contemporary American Pendant Necklaces
Diamond, Opal, Platinum
2010s Australian Pendant Necklaces
Opal, 18k Gold
Late 20th Century Australian Cocktail Rings
Diamond, Opal, 18k Gold
2010s Australian Loose Gemstones
Opal, Black Opal
Vintage 1980s Australian Loose Gemstones
Opal
21st Century and Contemporary Vietnamese Contemporary Pendant Necklaces
21st Century and Contemporary Vietnamese Contemporary Pendant Necklaces
2010s Dutch Artisan Drop Earrings
Opal, Gold, 18k Gold
2010s Australian Loose Gemstones
Opal, Black Opal
21st Century and Contemporary Australian Pendant Necklaces
Pink Diamond, Opal, 18k Gold, Platinum
2010s Australian Contemporary Engagement Rings
Black Opal, Opal, Yellow Gold, 18k Gold
21st Century and Contemporary American Modern Lever-Back Earrings
Amethyst, Citrine, Opal, Peridot, Silver, Copper
21st Century and Contemporary Australian Pendant Necklaces
Diamond, Opal, 18k Gold, Platinum
21st Century and Contemporary Australian Cocktail Rings
Opal, Diamond, Platinum, 18k Gold
2010s Australian Contemporary Cocktail Rings
Opal, Black Opal, 18k Gold, Yellow Gold
2010s American Artist Engagement Rings
Diamond, Opal, Black Opal, Yellow Gold
Late 20th Century Australian Cocktail Rings
Opal, Diamond, Platinum, 18k Gold
Late 20th Century Australian Cocktail Rings
Opal, Diamond, Platinum, 18k Gold
2010s Australian Contemporary Pendant Necklaces
Diamond, Opal, Black Opal, Yellow Gold
21st Century and Contemporary Pendant Necklaces
Opal, Gold, 14k Gold, Yellow Gold
Vintage 1970s American Art Deco Brooches
Diamond, Opal, 18k Gold, Yellow Gold
2010s French Art Nouveau Pendant Necklaces
Opal, Silver, Sterling Silver
21st Century and Contemporary Australian Cocktail Rings
Opal, Diamond, Platinum, 18k Gold
Late 20th Century Australian Drop Earrings
Diamond, Opal, 18k Gold
21st Century and Contemporary American Fashion Rings
Diamond, Opal, 18k Gold, White Gold
2010s Australian Contemporary Cocktail Rings
Diamond, Opal, 18k Gold, Yellow Gold
Vintage 1970s German Drop Necklaces
Diamond, Opal, Sapphire, 18k Gold, Yellow Gold, 14k Gold
2010s Australian Contemporary Cocktail Rings
Opal, Diamond, White Gold, 18k Gold, Yellow Gold
21st Century and Contemporary Pendant Necklaces
Diamond, Emerald, Opal, Gold, 14k Gold, Yellow Gold
2010s American Arts and Crafts Pendant Necklaces
Agate, Diamond, Opal, 18k Gold
20th Century Neoclassical Engagement Rings
Opal, Gold, 18k Gold, Yellow Gold
2010s Australian Contemporary Cocktail Rings
Ruby, Opal, 18k Gold, White Gold
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Boulder Black Opal For Sale on 1stDibs
How Much is a Boulder Black Opal?
- 1stDibs ExpertAugust 17, 2021An Australian boulder opal is an opal mined from a large ironstone boulder under the ground. This type of opal is the second most valuable opal behind the black opal. Spot an Australian boulder opal by checking for a solid layer of brown ironstone left on the back of the stone. Shop Australian boulder opals on 1stDibs.
- 1stDibs ExpertApril 5, 2022To see if your black opal is real, check the potch on the back. Double-sided opals are rare, so if there is a lack of potch and color all the way through, this could indicate a fake. Shop a collection of expertly vetted opals from some of the world’s top sellers on 1stDibs.
- 1stDibs ExpertOctober 12, 2021Black fire opal can vary in worth, from $10 per carat to $10,000 per carat. Black opals are generally considered extremely valuable because of their vibrant spectrum of colors and are one of the most enchanting stones in the world. On 1stDibs, shop a range of vintage black fire opal jewelry.