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Boulder Opal Roundal

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Boulder Opal & Sapphire Bypass Ring, Sterling Silver Round Cut .64ctw
Located in Greensboro, NC
: Genuine Boulder Opal Genuine Sapphires Treatment: Heating Colors: Pink & Blue Cut: Round Pink
Category

Late 20th Century Unknown Cocktail Rings

Materials

Opal, Sapphire, Sterling Silver

Custom Australian Boulder Opal 18kt Pendant
Located in Bloomington, MN
Custom Australian Boulder Opal 18kt Pendant Introducing an exquisite piece of craftsmanship – a
Category

Late 20th Century Contemporary Pendant Necklaces

Materials

Diamond, Opal, 18k Gold

Boulder Opal Diamond Gold Ring
Located in Beverly Hills, CA
A magnificent ring featuring a 14.15 carat boulder opal bezel with exceptional play of color. The
Category

21st Century and Contemporary Fashion Rings

Materials

Diamond, White Diamond, Opal, 18k Gold, Yellow Gold

Boulder Opal & Sapphire Bypass Ring, Sterling Silver Round Cut .64ctw
Located in Greensboro, NC
: Genuine Boulder Opal Genuine Sapphires Treatment: Heating Colors: Pink & Blue Cut: Round Pink
Category

21st Century and Contemporary More Rings

Materials

Opal, Sapphire, Sterling Silver

Boulder Opal and Diamond Abstract Ring
Located in London, GB
This is an 18ct yellow gold boulder opal and diamond abstract ring. The central opal is rub-over
Category

20th Century Fashion Rings

Materials

Diamond, Opal, 18k Gold, Yellow Gold

Amazing Boulder Opal & Tsavorite Garnet Pendant
By Kary Adam
Located in Seattle, WA
A Boulder Opal & Tsavorite Garnet Pendant set in blackened Silver. This Pendant features 2 Amazing
Category

2010s Thai Contemporary Pendant Necklaces

Materials

Garnet, Opal, Tsavorite, Silver

Australian Boulder Opal Diamond Platinum Ring
Located in Beverly Hills, CA
A simple yet classy platinum ring featuring a 9.47 carat Australian boulder opal. The opal has
Category

21st Century and Contemporary American Fashion Rings

Materials

Diamond, Opal, Platinum

Australian Boulder Opal Diamond Platinum Ring
Located in Beverly Hills, CA
A fine boulder opal from Australia with excellent play-of-color. The 3.85 carat gem opal shows a
Category

21st Century and Contemporary American Fashion Rings

Materials

Diamond, Opal, Platinum

Australian Boulder Opal Diamond Platinum Pendant
Located in Beverly Hills, CA
A lovely example of the beauty of Australian boulder opal. This piece weighs approximately 10
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Opal, Platinum

Australian Boulder Opal Diamond Platinum Ring
Located in Beverly Hills, CA
A lovely platinum ring featuring a 1.46 carat boulder opal from Australia. It has great play of
Category

21st Century and Contemporary American Cocktail Rings

Materials

Diamond, Opal, Platinum

Australian Boulder Opal Diamond Gold Pendant
Located in Beverly Hills, CA
A superb display of color. This fantastic fine opal from Australia weighs an impressive 15.42
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Opal, Gold, 18k Gold

Syna Yellow Gold Boulder Opal Necklace with Diamonds
By Syna Jewels
Located in Fort Lee, NJ
Created in 18 karat yellow gold Boulder Opal 3.20 carats approx. Diamonds 0.10 carat approx. 18
Category

2010s Thai Contemporary Necklace Enhancers

Materials

Diamond, Opal, 18k Gold, Yellow Gold

Large Boulder Opal and Diamond Pendant Necklace in Platinum
Located in La Jolla, CA
features a 48.50 carat Boulder Opal with Natural Round Diamonds set in Platinum with a Platinum box chain
Category

21st Century and Contemporary North American Pendant Necklaces

Materials

Diamond, Opal, Platinum

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

Syna Yellow Gold Boulder Opal Necklace with Diamond
By Syna Jewels
Located in Fort Lee, NJ
Created in 18 karat yellow gold Boulder opal 1 carat approx. Diamond 0.05 carat approx. 18 inch
Category

2010s American Contemporary Necklace Enhancers

Materials

Diamond, Opal, 18k Gold, Yellow Gold

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 Gold & Platinum Pendant
Located in Beverly Hills, CA
A stylish pendant featuring a natural Australian boulder opal set in a two-tone gold and platinum
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Opal, Gold, 18k Gold, Platinum

14 Karat Australian Boulder Opal Diamond Pendant
Located in Palm Desert, CA
14 Karat Australian Boulder Opal Diamond Pendant. The majestic black opal is a freeform diamond
Category

Vintage 1970s American Retro Pendant Necklaces

Materials

Diamond, Opal, 14k Gold, Yellow Gold, Gold

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

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

14.51 Carat Australian Boulder Opal Diamond Platinum Pendant
Located in Beverly Hills, CA
A true gem opal from Australia, this fine boulder opal rivals the best black opals at a fraction of
Category

21st Century and Contemporary American Pendant Necklaces

Materials

Diamond, Opal, Platinum

14.22 Carat Boulder Opal and Diamond Ballerina Ring
Located in Coral Gables, FL
Platinum Ballerina Ring Featuring A 14.22 Carat Oval Boulder Opal with Stunning Blue and Green
Category

Late 20th Century Japanese Cocktail Rings

Materials

Diamond, Opal, Platinum

Syna Cosmic Star Studs with Boulder Opal and Diamonds
By Syna Jewels
Located in Fort Lee, NJ
Created in 18 karat yellow gold Boulder Opal 4.50 carats approx. Diamonds 0.20 carat approx. Post
Category

2010s American Contemporary Stud Earrings

Materials

Diamond, Opal, 18k Gold, Yellow Gold

18 Karat Gold Signet Ring with Diamonds and Boulder Opal
Located in New York, NY
), boulder opal Measuring 20mm x 5mm
Category

21st Century and Contemporary Contemporary Fashion Rings

Materials

Diamond, Opal, 18k Gold, Gold

18 Karat Gold Signet Ring with Diamonds and Boulder Opal
By Amy Glaswand
Located in New York, NY
), boulder opal Measuring 20mm x 5mm
Category

21st Century and Contemporary Contemporary Fashion Rings

Materials

Diamond, Opal, Gold, 18k Gold

45.3ct Australian Boulder Opal & Diamonds & Pink Sapphire Pendant In Platinum
Located in Bloomington, MN
45.3ct Australian Boulder Opal & Diamonds & Pink Sapphire Pendant In Platinum Unveil the splendor
Category

Late 20th Century Modern Pendant Necklaces

Materials

Diamond, Opal, Pink Sapphire, Platinum

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

Estate Boulder Opal Diamond Gold Brooch or Pendant
Located in Beverly Hills, CA
A fascinating boulder opal full of life and gleam in a pond-like setting surrounded by diamond
Category

20th Century Brooches

Materials

Diamond, White Diamond, Opal, 18k Gold, Yellow Gold

Boulder Opal and Diamond Pendant in 18 Karat Gold
Located in Atlanta, GA
inch weight Diamond Details: Carat: 0.03 carat total weight Carat: Round Color: G Clarity: VS
Category

Vintage 1980s Unknown Retro Pendant Necklaces

Materials

Diamond, Opal, Gold, White Gold

Boulder Opal Diamond Gold Flower-Bouquet Brooch-Pendant
Located in Beverly Hills, CA
Australian boulder opal with great play of color, showing strong flashes of greens and blue. The other
Category

21st Century and Contemporary American Brooches

Materials

Diamond, Opal, Gold, 18k Gold, Yellow Gold, Platinum

Blackened Silver Pendant with Boulder Opal, Garnet and Sapphire
By Kary Adam
Located in Seattle, WA
A Blackened Silver Pendant with Boulder Opal, Tsavorite Garnet, Sapphire & Rhodolite Garnet on a
Category

2010s Thai Contemporary Pendant Necklaces

Materials

Garnet, Opal, Sapphire, Silver

Boulder Pear Opal Tourmaline Diamond Yellow Gold Enhancer Pendant
Located in Stamford, CT
Boulder Opal, approx. total weight 7.00cts, 24 x 12.5mm 3 round bright green Tourmalines, 4mm 4 round full
Category

21st Century and Contemporary Necklace Enhancers

Materials

Diamond, Opal, Tourmaline, Gold, 14k Gold, Yellow Gold

Platinum Boulder Opal and Diamond Ring with 18K Accent
Located in Addison, TX
Behold the exquisite elegance of the Platinum Boulder Opal and Diamond Ring, a mesmerizing piece
Category

20th Century Engagement Rings

Materials

White Diamond, Opal, Gold, 18k Gold, Platinum

Vintage 10.74 Carat Boulder Opal and Diamond Pendant Necklace
Located in Santa Barbara, CA
A fabulous vintage heirloom, this vivacious boulder opal pendant necklace is a statement of natural
Category

Late 20th Century Australian Contemporary Pendant Necklaces

Materials

Diamond, Opal, 18k Gold, Yellow Gold, Platinum

Dalben Design Oval Australian Boulder Opal and Rose Gold Necklace
By Oreste Dalben
Located in Como, IT
Australian Boulder Opal weight 22,8 ct and a round australian opal on the rose gold closure weight 0,46 ct
Category

21st Century and Contemporary Italian Contemporary Pendant Necklaces

Materials

Opal, 18k Gold, Rose Gold

Peter Suchy 7.32 Carat Boulder Opal Diamond Yellow Gold Pendant Necklace
By Peter Suchy
Located in Stamford, CT
Green boulder opal from Australia. Natural and untreated with a micro pave diamond and emerald halo
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Emerald, Opal, Gold, 14k Gold, Yellow Gold

Lady's Mintabie Boulder Opal and Diamonds 18k Yellow Gold
Located in New York, NY
One lady's black opal in blue-green fire color. Vivid saturation scale with flash fire pattern
Category

Vintage 1970s American Art Deco Brooches

Materials

Diamond, Opal, 18k Gold, Yellow Gold

Vintage Boulder Opal 18 Karat Yellow Gold Neoclassical Greek Column Signet Ring
Located in Philadelphia, PA
Centering a bezel set tablet of boulder opal measuring 10.5 mm round displaying blue/green play of
Category

20th Century Neoclassical Engagement Rings

Materials

Opal, Gold, 18k Gold, Yellow Gold

18 Karat Gold and Aquamarine Drop Earring with Boulder Opal and Diamonds
Located in New York, NY
in the Boulder Opal mixed with a custom cut opaque Aquamarine. The diamond accents add a sparkle to
Category

21st Century and Contemporary American Contemporary Drop Earrings

Materials

Aquamarine, Diamond, Opal, Gold, 18k Gold

Natural Australian Solid Boulder Precious Opal Genuine Diamond Ring Valuation
Located in Mona Vale, NSW
This amazing Precious Opal ring will delight your heart! It features a huge, 6.94ct Boulder Opal
Category

2010s Australian Art Deco Cocktail Rings

Materials

Diamond, Opal, 14k Gold, Yellow Gold

Sylva et Cie 18k Gold, Boulder Opal, & Diamond Sparrow Bird Necklace Pendant
By Sylva & Cie
Located in Philadelphia, PA
boulder opal in the form of a swallow set in 18k yellow gold and set with 33 small round cut diamonds to
Category

21st Century and Contemporary American Modern Pendant Necklaces

Materials

Diamond, Opal, 18k Gold

Modern 18 Karat Gold, Platinum, Diamond and Boulder Opal Ring, circa 1990s
Located in Beverly Hills, CA
Modern 18k Yellow Gold, Platinum, Diamond & Boulder Opal Ring Circa 1990s Here is your chance
Category

1990s American Cocktail Rings

Materials

Diamond, Opal, Yellow Gold, Platinum

Boulder Opal Orange Zircon Earrings Estate 18k Gold 2" Drops Fine Jewelry
Located in Torrance, CA
Elegant pair of boulder opal & orange zircon earrings crafted in 18k yellow gold. Boulder opals
Category

Mid-20th Century Unknown Modern Drop Earrings

Materials

Opal, Zircon, Gold, 18k Gold, Yellow Gold

Peter Suchy 8.16 Carat Boulder Opal Ruby Diamond Yellow Gold Pendant Necklace
By Peter Suchy
Located in Stamford, CT
1 Australian boulder opal, approx. 8.16ct 27 round red rubies SI, approx. .26cts 21 round brilliant
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Opal, Ruby, Gold, 18k Gold, Yellow Gold

11.32 Carat Australian Boulder Opal Diamond Sunburst 18k White Gold Ring
Located in Beverly Hills, CA
A superb platinum ring featuring a very fine Australian boulder opal. It weighs an impressive 11.32
Category

21st Century and Contemporary American Fashion Rings

Materials

Diamond, Opal, 18k Gold, White Gold

1970s Cabochon Cut Boulder Opal 1.52ct Sapphire and 1.28ct Diamond Pendant
Located in Jesmond, Newcastle Upon Tyne
An exceptional vintage boulder opal, 1.52 carat sapphire and 1.28 carat diamond, 18 karat yellow
Category

Vintage 1970s German Drop Necklaces

Materials

Diamond, Opal, Sapphire, 18k Gold, Yellow Gold, 14k Gold

Rob Greene Modernist Art Boulder Opal Pearl 18 Karat Yellow Gold Fish Brooch
Located in Philadelphia, PA
organically shaped boulder opal cabochon bezel set as the body Measuring 22.0 x 56.0 mm - displaying blue
Category

21st Century and Contemporary Modern Brooches

Materials

Opal, Pearl, Gold, 18k Gold, Yellow Gold

Vintage Circa 1980s Boulder Opal & Diamond Ring 9 Carat Yellow Gold
Located in Hamilton, AU
freeform Queensland boulder opal displays almost flagstone type pattern of red, orange, green and blue play
Category

Vintage 1980s Unknown Modern Engagement Rings

Materials

Diamond, Opal, Gold, 9k Gold, Yellow Gold

Natural 2.75 Ct Australian green and pink black boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This beautiful 2.75 Ct Australian boulder opal was mined by Sue Cooper at her Yaraka opal mine in
Category

2010s Australian Loose Gemstones

Materials

Opal, Black Opal

Lady's Boulder Crystal Opal and Diamonds Broach in 18k Yellow Gold
Located in New York, NY
One lady's semi-crystal opal with multicolor fire color. Saturation scale is average with a flash
Category

Vintage 1970s American Art Deco Brooches

Materials

Crystal, Diamond, Opal, Yellow Gold

Lady's Boulder Opal, Diamonds and Sapphire "Fish" Broach in 18k Yellow Gold
Located in New York, NY
One lady's boulder black opal in multi-color fire color. Average saturation scale with flash fire
Category

Vintage 1970s American Art Deco Brooches

Materials

Diamond, Opal, Sapphire, 18k Gold, Yellow Gold

72.25 Carat Australian Boulder Opal Platinum & 18k Y Gold Ship-at-Sea Brooch
Located in Beverly Hills, CA
carat boulder opal at its heart! This opal, like a miniature landscape of a ship at the sea, emits a
Category

21st Century and Contemporary Brooches

Materials

Diamond, Opal, 18k Gold, Yellow Gold, Platinum

Blue Green Boulder Opal, Aquamarine and Diamond Necklace in 18k White Gold
Located in Honolulu, HI
This unique piece of jewelry is one-of-a-kind. At its center is a stunning blue green opal
Category

Late 20th Century Unknown Modern Pendant Necklaces

Materials

Diamond, Aquamarine, Opal, 14k Gold, Yellow Gold, 18k Gold, White Gold

AGL 6.61 Carats Boulder Opal Fish with 4.59 Carats Diamond and Gem Earrings 18K
By Kiersten Elizabeth
Located in Charleston, SC
. Earring Details (2) Natural Australian Carved Boulder Opal Fish AGL Report #1 - 4.18 Carats AGL
Category

21st Century and Contemporary American Modern Dangle Earrings

Materials

Tourmaline, Blue Sapphire, Opal, Diamond, Coral, Yellow Gold, 18k Gold

Opal and Diamond Halo Ring, Yellow Gold, Organic Shape Opal .88 Carat
By Five Star Jewelry
Located in Austin, TX
This organic Boulder blue opal is one of the most intense color that this gemologist has every seen
Category

21st Century and Contemporary American Modern Fashion Rings

Materials

Diamond, Opal, 14k Gold, Yellow Gold

18K Gold Art Opal Pendant Brooch with Japanese Gold Painting Technology
By MOISEIKIN
Located in Hong Kong, HK
4050000000111/ Weight 15.84g 1 Boulder Opal/Ran Opal 36.38 ct 7 Diamond 0.328ct 1 Emerald, Cab 0.1 ct 1
Category

2010s Russian Contemporary Brooches

Materials

Diamond, Opal, Cultured Pearl, 18k Gold

Nina Nguyen Opal Doublet 18 Karat Gold Stud Earrings Bezel-Set
By Nina Wynn
Located in Denver, CO
. It’s also the birthstone for October. Several varieties are used in jewelry, including: - Boulder Opal
Category

21st Century and Contemporary Vietnamese Contemporary Stud Earrings

Materials

Opal, 18k Gold

Lady's Black Opal and Pendant in 18k Yellow Gold
Located in New York, NY
One lady's boulder black opal in a blue-green fire color. Vivid saturation scale with flash fire
Category

Vintage 1970s American Art Deco Brooches

Materials

Opal, Black Opal, 18k Gold, Yellow Gold

Fei Liu Opal and Diamond 18 Karat Yellow and White Gold Drop Earrings
By Fei Liu
Located in Birmingham, GB
captivating duo of boulder opal clusters, boasting a kaleidoscope of captivating colours, mirroring the ever
Category

21st Century and Contemporary British Contemporary Drop Earrings

Materials

Diamond, White Diamond, Opal, Gold, 18k Gold, White Gold, Rhodium

Grima Ring in 18 Karat White Gold With an Opal & Diamonds
By Andrew Grima
Located in Brisbane City, QLD
there is a triangular cabochon 'boulder' opal which is claw set and surrounded by 10 round brilliant cut
Category

20th Century British Modernist Cluster Rings

Materials

Diamond, Opal, Gold, 18k Gold, White Gold

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Boulder Opal Roundal For Sale on 1stDibs

Surely you’ll find the exact boulder opal roundal 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, Silver and Sterling Silver. Our collection of these items for sale includes 4 vintage editions and 32 modern creations to choose from as well. Making the right choice when shopping for a boulder opal roundal may mean carefully reviewing examples of this item dating from different eras — you can find an early iteration of this piece from the 20th Century and a newer version made as recently as the 21st Century, both of which have proven very popular over the years. Creating a boulder opal roundal has been a part of the legacy of many jewelers, but those produced by llyn strong, Amy Y and LB Exclusive are consistently popular. A round cut version of this piece has appeal, but there are also mixed cut and oval cut versions for sale. There aren’t many items for men if you’re seeking a boulder opal roundal, as most of the options available are for women and unisex.

How Much is a Boulder Opal Roundal?

Prices for a boulder opal roundal can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $350 and can go as high as $20,800, while this accessory, on average, fetches $4,100.
Questions About Boulder Opal Roundal
  • 1stDibs ExpertAugust 17, 2021
    An 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.