Blue Boulder Opal
21st Century and Contemporary Italian Contemporary Cocktail Rings
Opal, Gold, 18k Gold, Rose Gold
2010s German Artisan Cocktail Rings
Opal, Silver
21st Century and Contemporary American Contemporary Link Bracelets
Opal, Gold, 22k Gold, Yellow Gold
2010s German Artist Cocktail Rings
Opal, Gold Plate, Silver, 18k Gold
2010s Unknown Artist Pendant Necklaces
Diamond, Opal, 18k Gold
21st Century and Contemporary Australian Pendant Necklaces
Opal, 18k Gold
21st Century and Contemporary Necklace Enhancers
Diamond, Opal, Tourmaline, Gold, 14k Gold, Yellow Gold
2010s North American Artisan Dangle Earrings
Aquamarine, Opal, Gold, 18k Gold, Yellow Gold
2010s Australian Contemporary Cufflinks
Diamond, Opal, 18k Gold, Yellow Gold
1990s Australian Bangles
Diamond, Opal, 18k Gold, Platinum
2010s American Contemporary Dangle Earrings
Diamond, Opal, Black Opal, Gold, 18k Gold, Yellow Gold
2010s American Contemporary Pendant Necklaces
Opal, 18k Gold, Yellow Gold, Gold, 22k Gold
2010s French Artisan Pendant Necklaces
Opal, Gold, Yellow Gold
2010s German Artisan Pendant Necklaces
Opal, Silver
2010s French Artisan Engagement Rings
Opal, 14k Gold, Yellow Gold
2010s French Artisan Engagement Rings
Opal, 14k Gold, Yellow Gold
2010s German Artist Pendant Necklaces
Opal, Silver
21st Century and Contemporary Italian Contemporary Cocktail Rings
Opal, 18k Gold, Gold, Yellow Gold
21st Century and Contemporary Italian Contemporary Cocktail Rings
Opal, Gold, 18k Gold, Yellow Gold
21st Century and Contemporary Italian Contemporary Cocktail Rings
Opal, 18k Gold, Yellow Gold, Gold
2010s American Contemporary Beaded Necklaces
Opal, Sapphire, Tsavorite, Silver
2010s German Artist Pendant Necklaces
Opal, Silver
2010s Australian Artisan More Jewelry
Opal
2010s German Artisan Pendant Necklaces
Opal, Silver
Antique 15th Century and Earlier Australian Pendant Necklaces
Opal
21st Century and Contemporary Italian Contemporary Cocktail Rings
Opal, Gold, 18k Gold, Yellow Gold
21st Century and Contemporary Italian Contemporary Cocktail Rings
Opal, Gold, 18k Gold, Yellow Gold
2010s German Artist Lever-Back Earrings
Opal, Silver
2010s German Artisan Pendant Necklaces
Opal, Silver
2010s American Engagement Rings
Opal, Platinum
2010s Australian Loose Gemstones
Opal, Black Opal
21st Century and Contemporary American Fashion Rings
Diamond, Opal, Platinum
21st Century and Contemporary Italian Contemporary Cocktail Rings
Opal, 18k Gold, Gold, Yellow Gold
21st Century and Contemporary American Pendant Necklaces
Diamond, Opal, Platinum
2010s German Modern Fashion Rings
Opal, Gold Plate, Silver, Sterling Silver
21st Century and Contemporary American Cocktail Rings
Diamond, Opal, Platinum
2010s German Artisan Pendant Necklaces
Opal, Silver
2010s German Artisan Cocktail Rings
Opal, Silver
2010s German Artisan Cocktail Rings
Opal, Silver
2010s German Artisan Cocktail Rings
Opal, Turquoise, Silver
2010s French Artisan Fashion Rings
Opal, Silver, Sterling Silver
2010s Artist Choker Necklaces
Diamond, Opal, 18k Gold
2010s Australian Pendant Necklaces
Diamond, Opal, Platinum
21st Century and Contemporary Italian Contemporary Cocktail Rings
Opal, Rose Gold, Gold, 18k Gold
Vintage 1980s Australian Modern Pendant Necklaces
Diamond, Opal, 14k Gold
21st Century and Contemporary Italian Contemporary Lever-Back Earrings
Opal, 18k Gold, Rose Gold, Gold
21st Century and Contemporary Italian Contemporary Dangle Earrings
Opal, Gold, 18k Gold, Rose Gold
21st Century and Contemporary Italian Contemporary Cocktail Rings
Opal, Gold, 18k Gold, Rose Gold
Antique 1890s Art Nouveau Pendant Necklaces
Opal, Pearl, Sapphire, 18k Gold, Yellow Gold
21st Century and Contemporary Italian Contemporary Cocktail Rings
Opal, Rose Gold, Gold, 18k Gold
2010s Canadian Contemporary Pendant Necklaces
Opal, Yellow Gold
21st Century and Contemporary American Pendant Necklaces
Diamond, Opal, Gold, 18k Gold, Platinum
Late 20th Century Australian Brooches
Opal, Emerald, Black Opal, Diamond, 18k Gold
21st Century and Contemporary American Cocktail Rings
Diamond, Opal, Gold, 18k Gold, Yellow Gold, Platinum
21st Century and Contemporary American Pendant Necklaces
Diamond, Opal, Platinum
2010s Australian Dangle Earrings
Opal, 18k Gold
2010s Australian Artisan Pendant Necklaces
Opal
Late 20th Century Japanese Cocktail Rings
Diamond, Opal, Platinum
21st Century and Contemporary Italian Contemporary Dangle Earrings
Opal, 18k Gold, Yellow Gold
21st Century and Contemporary Italian Contemporary Cocktail Rings
Opal, Rose Gold, Gold, 18k Gold
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Blue Boulder Opal For Sale on 1stDibs
How Much is a Blue Boulder 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.