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Large boulder opal ring unisex Polychrome Purple Australian opal
By Alexey Gabilo
Located in Berlin, DE
Large silver ring with natural Boulder Opal
opal origin - Australia
opal measurements - 0.16 x
Category
2010s German Artisan Fashion Rings
Materials
Opal, Silver, Sterling Silver
Large Boulder Opal Ring silver Green Blue Australian Gemstone unisex vintage
Located in Berlin, DE
Large matte finish silver ring with natural Boulder Opal
opal origin - Australia
opal weight
Category
2010s German Artisan Cocktail Rings
Materials
Opal, Silver
Large Boulder Opal Ring Natural Polychrome Space Dust Purple Pink Gemstone
Located in Berlin, DE
Matte finish silver ring with natural Boulder Opal
opal origin - Australia
weight of the opal
Category
2010s German Artisan Cocktail Rings
Materials
Opal, Silver
Large Boulder Opal Ring silver Natural Australian Woody Musk Dark Brown Gemstone
Located in Berlin, DE
Natural Koroit Opal silver ring with matte finish
opal origin - Australia
opal weight - 16.5
Category
2010s German Artisan Cocktail Rings
Materials
Opal, Silver
A.Jeschel Luminous Opal with Flower Jasper necklace.
By Elaine Silverstein
Located in Miami, FL
clasp continues the story with a large Boulder Opal set into Sterling Silver.
Also known as ‘milk’ or
Category
21st Century and Contemporary American Contemporary Beaded Necklaces
Materials
Opal, Jasper, Sterling Silver
Ocean Blue Opal Ring Gold Australian Blue Opal Statement Ring
By Alexey Gabilo
Located in Berlin, DE
Large Boulder Opal 18K white gold and blackened silver ring
Opal origin - Australia
stone
Category
2010s French Art Nouveau Cocktail Rings
Materials
Opal, Sterling Silver, 18k Gold, White Gold, Silver
Ocean Blue Opal Ring Gold Ivy collection Australian Blue Opal Indigo
By Alexey Gabilo
Located in Berlin, DE
Large Boulder Opal 18K white gold and blackened silver ring
Opal origin - Australia
stone
Category
2010s French Art Nouveau Cocktail Rings
Materials
Opal, 18k Gold, White Gold, Silver, Gold, Sterling Silver
Rye Australian Opal Unique Engagement Ring Gold Unisex Artisan Fine Jewelry Art
By Alexey Gabilo
Located in Berlin, DE
Nature inspred ring from signature Herbarium collection with an amazing large Boulder Opal in 14K
Category
2010s French Contemporary Dome Rings
Materials
Opal, Crystal, 14k Gold, Yellow Gold, Gold
81 ct Boulder Opal large gemstone
Located in Berlin, DE
Precious boulder koroit Opal a freeform shape
Opal origin - Australia
Opal measurements - 0.31 х
Category
2010s Australian Artisan Vanity Items
Materials
Opal
Opal Pendant with Chain, Boulder Opal, Circa 1940s
Located in Southbury, CT
This large Retro-era (circa 1940s) boulder opal and 14K yellow and white gold pendant was entirely
Category
Vintage 1940s North American Retro Pendant Necklaces
Materials
Opal, 14k Gold
Boulder Opal Ring Gold Statement Art Nouveau style ring large
By Alexey Gabilo
Located in Berlin, DE
Natural boulder Opal 14k yellow gold ring
opal origin - Australia
opal measurements - 0.16 х
Category
2010s French Art Nouveau Engagement Rings
Materials
Opal, Gold, 14k Gold, Yellow Gold
Australian Boulder Opal Diamond Platinum Pendant
Located in Beverly Hills, CA
A large and impressive boulder opal from the famous opal fields of Australia. This particular opal
Category
21st Century and Contemporary American Pendant Necklaces
Materials
Diamond, Opal, Platinum
Natural 23.20 Ct large teardrop boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This beautiful 23.20 Ct Australian boulder opal was mined by Sue Cooper at her Yaraka opal mine in
Category
2010s Australian Loose Gemstones
Materials
Opal
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W 0.7 in D 0.24 in L 1.1 in
Large Australian Boulder Opal Red Green Blue Gemstone Ivy Silver Ring
By Alexey Gabilo
Located in Berlin, DE
Natural boulder Opal ring in blackened and gold plated silver
Opal origin - Australia
Opal
Category
2010s German Artisan Cocktail Rings
Materials
Opal, Silver
Boulder Opal ring silver Unisex Gift for girlfriend Genuine Australian opal
Located in Berlin, DE
Large silver ring with natural Boulder Opal
Opal origin - Australia
stone measurements - 0.16 x
Category
2010s German Contemporary Cocktail Rings
Materials
Opal, Silver
Fine Australian Boulder Opal Diamond Platinum Ring
Located in Beverly Hills, CA
As good as it gets! This is a fine example of Australian opal; being a boulder opal or black opal
Category
21st Century and Contemporary American Cocktail Rings
Materials
Diamond, Opal, Platinum
Australian Boulder Opal Diamond Platinum Gold Ring
Located in Beverly Hills, CA
A superb boulder opal from Australia with bright flashes of color. The opal weighs 9.61 carats and
Category
21st Century and Contemporary American Cocktail Rings
Materials
Diamond, Opal, Gold, 18k Gold, Yellow Gold, Platinum
Natural 26.16 Ct Rainbow Heart Australian Boulder Opal
Located in BELCONNEN, ACT
This large natural solid Australian boulder opal was mined in western Queensland, Australia by a
Category
Antique 15th Century and Earlier Australian Pendant Necklaces
Materials
Opal
Boulder Opal ring silver large 8.5 US size gold Vintage ring natural gemstone
Located in Berlin, DE
Vintage 18K yellow gold plated and matte finish silver ring with natural Australian Boulder Opal
Category
2010s German Artisan Cocktail Rings
Materials
Opal, Gold Plate, Yellow Gold, Silver, Gold
Mineable Boulder Opal, Diamonds, and Black Opal Broach in 18k Yellow Gold
Located in New York, NY
One lady's semi-black peacock opal with multicolor fire pattern. Saturation scale is vivid with a
Category
Vintage 1970s American Art Deco Brooches
Materials
Diamond, Opal, Black Opal, Yellow Gold
Free Shipping
W 1.82 in L 0.83 in
Boulder Opal Ruby 18 KT White Gold Cufflinks
By Margherita Burgener
Located in Valenza , IT
two interesting unique Boulder Opals in their natural shape and size. The Opals shows green, blue
Category
21st Century and Contemporary Italian Contemporary Cufflinks
Materials
Opal, Ruby, 18k Gold, White Gold
Australian 23.00ct Boulder Opal, Diamond, 18K Gold & Platinum Necklace
Located in MAIN BEACH, QLD
Australian opal in all its exquisite beauty. This boulder opal is a true heirloom gem. At 23ct
Category
21st Century and Contemporary Australian Pendant Necklaces
Materials
Diamond, Opal, 18k Gold, Platinum
Platinum Australian Black Boulder Opal and Diamond Pin Pendant Flowers
Located in Big Bend, WI
Incredible platinum pin/pendant featuring a large Australian black boulder opal. The opal has blue
Category
21st Century and Contemporary Brooches
Materials
Diamond, Opal, Platinum
Steven Battelle 33.4 Carats Australian Boulder Opal 18K Gold Bracelet
By Steven Battelle
Located in Soquel, CA
Seven irregular cut cabochons of shimmering blueish and purplish Australian boulder opal from the
Category
21st Century and Contemporary Balinese Modern Bracelets
Materials
Opal, 18k Gold
A.Jeschel Long rope, Baroque Pearls, Kyanite, Boulder opal
By Elaine Silverstein
Located in Miami, FL
One-of-a-Kind
A fresh combination. mixes denim blue Kyanite and rich brown Australian Boulder opal
Category
21st Century and Contemporary American Contemporary Beaded Necklaces
Materials
Opal, Pearl, Labradorite, Freshwater Pearl, Kyanite, Sterling Silver
Natural 12.54 Ct Australian heart boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This beautiful 12.54 Ct Australian boulder opal was mined by Sue Cooper at her Yaraka opal mine in
Category
2010s Australian Loose Gemstones
Materials
Opal
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W 0.76 in D 0.17 in L 0.72 in
Natural 56.64 Ct Australian matrix boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This lovely 56.64 Ct Australian boulder opal was mined by Sue Cooper at her Yaraka opal mine in
Category
2010s Australian Loose Gemstones
Materials
Opal
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W 0.91 in D 0.28 in L 1.48 in
18 Karat Yellow Gold Cabochon Aquamarine Boulder Opal Cuff Bracelet
By Joon Han
Located in New York, NY
A one-of-a-kind cuff bracelet of an oval cabochon aquamarine and four boulder opals, handcrafted in
Category
2010s Contemporary Cuff Bracelets
Materials
Aquamarine, Opal, Gold, 18k Gold, Yellow Gold
Natural 20.94 Ct Australian rainbow boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This beautiful 20.94 Ct Australian boulder opal was mined by Sue Cooper at her Russells opal mine
Category
2010s Australian Loose Gemstones
Materials
Opal
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W 0.64 in D 0.24 in L 1.12 in
38.17ct Australian Boulder Opal Ring Pendant 18K Gold 35.8g V1129
Located in Osprey, FL
This striking statement piece is crafted from 18K gold and features a stunning Australian boulder
Category
2010s American Pendant Necklaces
Materials
Opal, 18k Gold, Yellow Gold
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H 0.78 in W 1.03 in L 2.49 in
Steven Battelle 4 Carats Boulder Opal Sterling 18k Gold Ring
By Steven Battelle
Located in Soquel, CA
A beautiful irregular shaped 9 x 19 mm cabochon of Quipee mine Australian boulder opal displays
Category
21st Century and Contemporary Balinese Contemporary Cocktail Rings
Materials
Opal, 18k Gold
An Australian Boulder Opal Necklace & Pendant set with Tourmaline, Tanzanite
By Kary Adam
Located in Coupeville, WA
Boulder Opal necklace that features a large central Australian Boulder Opal pendant that is surrounded by
Category
2010s Thai Artisan Pendant Necklaces
Materials
Opal, Blue Sapphire, Pink Sapphire, Tanzanite, Tourmaline, Silver
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W 2 in L 19 in
1970s Cabochon Cut Boulder Opal 1.52ct Sapphire and 1.28ct Diamond Pendant
Located in Jesmond, Newcastle Upon Tyne
brown ironstone left on the back of the stone. Boulder opals, as the name suggests, are mined from large
Category
Vintage 1970s German Drop Necklaces
Materials
Diamond, Opal, Sapphire, 18k Gold, Yellow Gold, 14k Gold
Free Shipping
W 1.18 in L 28 in
Natural 17.99 Ct Australian stripy green-blue boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This amazing 17.99 Ct Australian boulder opal was mined by Sue Cooper at her Mt. Margaret opal mine
Category
2010s Australian Loose Gemstones
Materials
Opal
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W 0.62 in D 0.21 in L 0.89 in
Magnificent Australian Loose Black Boulder Opal of 5.50ct. 19mm x 12mm x 4mm.
Located in MELBOURNE, AU
Boulder opal is the second most valuable type of opal.
Mined from the large ironstone boulders under the
Category
Vintage 1980s Australian Loose Gemstones
Materials
Opal
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W 0.48 in D 0.16 in L 0.75 in
Boulder Opal Ring 22 Karat Gold 18 Karat Gold Band Green Blue Fire
By Jennifer Kalled
Located in Wolfeboro, NH
Boulder opal ring in 22k gold with a 18k gold shank. The large flashes of blue, green with a tad
Category
21st Century and Contemporary American Artisan More Rings
Materials
Opal, 14k Gold, 18k Gold, 22k Gold
Large Opal Pendant Necklace Yellow Gold
Located in Berlin, DE
14K yellow gold pendant necklace with Boulder Opal
opal origin - Australia
opal measurements - 0.12
Category
2010s German Aesthetic Movement Pendant Necklaces
Materials
Opal, Gold, 14k Gold, Yellow Gold
Big Opal Ring Gold Engagement Ring Large Wedding Band
By Alexey Gabilo
Located in Berlin, DE
Natural boulder Opal 14K yellow gold ring
opal origin - Australia
opal measurements - 0.16 х
Category
2010s French Art Nouveau Bridal Rings
Materials
Opal, Gold, 14k Gold, Yellow Gold
Large Opal Silver Ring Multicolor Magic Forest Natural Australian
By Alexey Gabilo
Located in Berlin, DE
Big silver ring with natural Boulder Opal
opal origin - Australia
opal measurements - 0.12 x 0.55
Category
2010s French Artisan Fashion Rings
Materials
Opal, Silver, Sterling Silver
Large Opal Necklace silver Blue Genuine Australian Gemstome LOTR Style Pendant
Located in Berlin, DE
Silver pendant with natural Boulder Opal
opal origin - Australia
opal measurements - 0.16 x 3,94 x
Category
2010s German Artisan Pendant Necklaces
Materials
Opal, Silver
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H 3.94 in W 1.57 in D 0.16 in L 3.94 in
Large Opal Ring 18K Gold silver Chunky Rainbow Cabochon Gift unisex
Located in Berlin, DE
Large 18K gold plated silver ring with natural Boulder Opal
gemstone origin - Australia
ring
Category
2010s German Artisan Cocktail Rings
Materials
Opal, 18k Gold, Gold Plate, Silver
Opal Black Silver Earrings Dangle Large Gemstone LOTR Gothic style wedding
By Alexey Gabilo
Located in Berlin, DE
Boulder Koroit Opal earrings in blackened and gold plated silver
opal origin - Australia
opal
Category
2010s French Art Nouveau Dangle Earrings
Materials
Opal, Gold Plate, Silver, Sterling Silver
Modernist Clip Earrings 18Kt Gold with Opals & Tsavorite
Located in Miami, FL
forms of natural Australian boulder opals with an estimate weight of 20 carats.
Tsavorites: Bezel set
Category
Late 20th Century American Aesthetic Movement Drop Earrings
Materials
Opal, Tsavorite, Druzy, 18k Gold, Yellow Gold, Gold, 14k Gold
Opal Diamond White Gold Brooch by Prof. Friedrich Becker
Located in Berlin, DE
ways, due to the extraordinary precise mechanical workmanship. It is made of white gold with 6 boulder
Category
Vintage 1980s German Modern Brooches
Materials
Diamond, Opal, White Gold
Victorian 1880 Antique Ring In 14Kt Gold With 8.95 Ctw In Opal And Diamonds
Located in Miami, FL
you: Fire Opal is known for its intense red, orange and yellow colors - the colors of a fire! Boulder
Category
Antique 1880s English Victorian Cocktail Rings
Materials
Opal, White Diamond, Diamond, Silver, Yellow Gold, 14k Gold, Gold
A.Jeschel A super Dramatic and Bold Tibetan pendant long necklace.
By Elaine Silverstein
Located in Miami, FL
attention. This dramatic piece boasts large brown turquoise plates, carved ox bone beads, Boulder opal, red
Category
21st Century and Contemporary American Contemporary Pendant Necklaces
Materials
Turquoise, Opal, Sterling Silver
Stephen Dweck Sterling Silver Citrine Ring New, Never Worn 1990s
By Stephen Dweck
Located in Wallkill, NY
world tourmalines from Brazil, boulder opals from Australia, ammonites from Morocco, and pearls from the
Category
1990s American Fashion Rings
Materials
Citrine, Sterling Silver
Stephen Dweck Bronze Wash Sterling Silver Smokey Quartz Ring 1990s
By Stephen Dweck
Located in Wallkill, NY
tourmalines from Brazil, boulder opals from Australia, ammonites from Morocco, and pearls from the South Sea
Category
1990s American Solitaire Rings
Materials
Quartz, Sterling Silver
Sterling Silver Stephen Dweck Ring 1992
By Stephen Dweck
Located in Wallkill, NY
stones from all over the world tourmaline's from Brazil, boulder opals from Australia, ammonites from
Category
1990s American Dome Rings
Materials
Sterling Silver
Boulder Opal Side Tables, Pair
Located in Vancouver, BC
, and is found embedded in large boulders of ironstone. Occurring as pebble rock, precious opal develops
Category
21st Century and Contemporary Australian Modern Side Tables
Materials
Opal, Iron
Leda Jewel Co Australian Boulder Opal Ring
By Leda Jewel Co
Located in Montreal, Quebec
Large, one of a kind, Australian boulder opal ring. This opal measures about 38 X 18 mm. Hand set
Category
2010s Artisan Solitaire Rings
Materials
Opal, Sterling Silver
Vintage Mid Century 950 Sterling Silver Large Cabochon Cut Boulder Opal Ring
Located in Champions State Gate, FL
large and unique boulder opal. This unique opal ring would make a great birthday gift, anniversary gift
Category
Vintage 1960s Cocktail Rings
Materials
Opal, Sterling Silver
18k Gold, Diamond & Boulder Opal Pendant Necklace
By Nancy Phillips
Located in Eugene, OR
Opals are perhaps the most colorful of gemstones and this unique stone is a great example.
The 11
Category
2010s Thai Modern Pendant Necklaces
Materials
Diamond, Opal, 18k Gold
Giulians Contemporary 18k 7.90ct Australian Boulder Opal Bracelet
By Giulians
Located in Sydney, NSW
Giulians contemporary 18 karat yellow gold Australian Boulder Opal bracelet. Showcasing a 7.90ct
Category
2010s Australian Contemporary Modern Bracelets
Materials
Opal, 18k Gold
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W 0.6 in D 0.18 in L 7.09 in
Deanna Hamro Gold Silver Boulder Opal Diamond Pendant
By Deanna Hamro
Located in Lambertville, NJ
Large 18k gold and silver Deanna Hamro pendant, with boulder opal and approx. 3.20-3.50ctw in fancy
Category
21st Century and Contemporary American Necklace Enhancers
Materials
Diamond, Opal, Gold, Silver
Monseo Boulder Opal, Rubies and diamonds Gold Long Necklace
By Monseo
Located in Porto, PT
Crafted in white 19.2K gold with a Boulder Opal in a large pendant set with rubies and diamonds
Category
2010s Portuguese Modern Chain Necklaces
Materials
Diamond, White Diamond, Opal, Freshwater Pearl, Ruby, 18k Gold, Rhodium
Exclusive 18 Karat Yellow Gold 2 Carat Blue Boulder Opal Square Cut Dome Ring
By Irene Bozza
Located in Málaga, ES
boulder opal ring that will be your distinctive icon.
A comfortable and elegant gypsy ring that will be
Category
2010s Spanish Contemporary Dome Rings
Materials
Opal, Gold, 18k Gold, Yellow Gold
18k Gold, Sapphire, Opal & Diamond Large Flower Pendant
By Nancy Phillips
Located in Eugene, OR
they often are too small for your frame, here is something for you. 11.5 cts of Boulder Opals from
Category
2010s Thai Artisan Pendant Necklaces
Materials
Diamond, Opal, Sapphire, 18k Gold
Australian Bolder Opal Diamond Necklace 14 Karat Yellow Gold
Located in Barnsley, GB
and Blue Brown Yellow and with 40 diamonds
Boulder opals are found only in the state of Queensland
Category
21st Century and Contemporary Contemporary Pendant Necklaces
Materials
Diamond, Opal, Yellow Gold
25.86 Carat Opal, Diamond and 18 Karat Gold Earrings
By Nancy Phillips
Located in Eugene, OR
Large and richly colored boulder opals from Australia are the focus of these elegant and striking
Category
2010s Thai Modern Drop Earrings
Materials
Diamond, Opal, 18k Gold
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Large Boulder Opal For Sale on 1stDibs
Surely you’ll find the exact large boulder opal you’re seeking on 1stDibs — we’ve got a vast assortment for sale. Every item for sale was constructed with extraordinary care, often using gold, 18k gold and yellow gold. Our collection of these items for sale includes 48 vintage editions and 62 modern creations to choose from as well. Finding the perfect large boulder opal may mean sifting through those created during different time periods — you can find an early version that dates to the 18th Century and a newer variation that were made as recently as the 21st Century. Finding an appealing large boulder opal — no matter the origin — is easy, but Alexey Gabilo, Stephen Dweck and Michael Kneebone each produced a popular version that is worth a look. See these pages for a cabochon iteration of this accessory, while there are also mixed cut cut and oval cut cut versions available here, too. If you’re browsing our inventory for a large boulder opal, you’ll find that many are available today for women, but there are still pieces to choose from for unisex and men.
How Much is a Large Boulder Opal?
On average, a large boulder opal at 1stDibs sells for $4,908, while they’re typically $350 on the low end and $150,000 for the highest priced versions of this item.
Questions About Large 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.