Boulder Opals
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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
3 Australian Boulder Opal Cabochons
By Kary Adam
Located in Seattle, WA
A collection of 3 Australian Boulder Opals with intense blue and green ripple effects as they move
Category
2010s Australian Artisan More Jewelry
Materials
Opal
An Australian Boulder Opal Pendant & Necklace
By Kary Adam
Located in Seattle, WA
An Australian Boulder Opal Pendant & Opal Beaded Necklace With a Silver Clasp.
This Australian
Category
2010s American Contemporary Pendant Necklaces
Materials
Opal, Silver
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, Emerald and Lapis Earrings
By Tinguely Bijoux
Located in Boston, MA
Gorgeous trio of custom cut Boulder Opal, sliced Emerald and Afghani Lapis Lazuli set in 18 karat
Category
21st Century and Contemporary American Contemporary Drop Earrings
Materials
Emerald, Lapis Lazuli, Opal, 18k Gold
Boulder Opal, Sapphire and Tsavorite Pendant on a Beaded Boulder Opal Necklace.
By Kary Adam
Located in Seattle, WA
Australian Boulder Opal surrounded by Blue & Yellow Sapphires and Tsavorite Garnet. A Gold Plated T-Bar
Category
2010s American Contemporary Beaded Necklaces
Materials
Opal, Sapphire, Tsavorite, Silver
Free Shipping
H 16 in W 0.75 in D 0.5 in Dm 0.75 in L 1.5 in
Boulder Opal Ring with 18 Carat Yellow Gold
Located in Kirschweiler, DE
This Boulder Opal Ring with 18 Carat Yellow Gold is totally handmade and cut of one extraordinary
Category
2010s German Arts and Crafts Cocktail Rings
Materials
Opal, Yellow Gold, Gold, 18k Gold
Dalben Australian Boulder Opal Rose Gold Earrings
By Laura Dalben
Located in Como, IT
Australian boulder opal weight 7,85 carats .
The australian boulder opals have an intense deep green blue
Category
21st Century and Contemporary Italian Contemporary Lever-Back Earrings
Materials
Opal, 18k Gold, Rose Gold, Gold
Pinnacle Medium Boulder Opal Silver Necklace
By Nina Wynn
Located in Denver, CO
pinnacle boulder opal pendant, the Pinnacle Medium Boulder Opal Silver Necklace is bold and brilliant, a
Category
21st Century and Contemporary Vietnamese Contemporary Pendant Necklaces
Boulder Opal 18 Karat Yellow Gold Men’s Cufflinks
Located in Miami, FL
These cosmic boulder opal cufflinks are crafted in 18-karat yellow gold, weighing 26.4 grams and
Category
Vintage 1980s Cufflinks
Materials
Opal, 18k Gold, Yellow Gold
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
Pinnacle Medium Boulder Opal Silver Necklace
By Nina Wynn
Located in Denver, CO
pinnacle boulder opal pendant, the Pinnacle Medium Boulder Opal Silver Necklace is bold and brilliant, a
Category
21st Century and Contemporary Vietnamese Contemporary Pendant Necklaces
18k Yellow Gold Pipe Boulder Opal Ring
By Llyn strong
Located in Greenville, SC
An 18k Yellow Gold ring with a bezel set 8 carat pipe-variety boulder opal. This ring was designed
Category
2010s American Contemporary Cocktail Rings
Materials
Opal, Yellow Gold
Edwardian Boulder Opal Necklet Circa 1910-1920s
Located in ADELAIDE, SA
Boulder opal fob with a spectacular colour exchange seen from every angle of this beauty.
Gemstone: One
Category
Vintage 1910s Australian Edwardian Pendant Necklaces
Materials
Opal, 15k 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 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
Boulder Opal Silver Earrings Dangle Navy Blue Delphinium Ariel Style
Located in Berlin, DE
Silver earrings with natural Boulder Opal
opal origin - Australia
boulder opal measurements - 0.2
Category
2010s German Artist Lever-Back Earrings
Materials
Opal, Silver
Free Shipping
H 1.93 in W 0.55 in D 0.2 in L 1.1 in
Australian Boulder Opal Gold Cocktail Ring
Located in Beverly Hills, CA
boulder opal and has great play-of-color as is shows a dazzling array of blues and greens. Made in 18k
Category
21st Century and Contemporary American Fashion Rings
Materials
Opal, Gold, 18k Gold
Tanzanite, Boulder Opal and Emerald Drop Earrings
By Tinguely Bijoux
Located in Boston, MA
These bold but lithe cascading earrings feature a dazzling array of emeralds, boulder opals and
Category
21st Century and Contemporary American Contemporary Drop Earrings
Materials
Emerald, Opal, Tanzanite, 18k Gold
14K Yellow Gold Australian Boulder Opal Diamond Earrings
By Thomas Laine LLC
Located in New York City, NY
Stunning One of A Kind 14K Yellow Gold Australian Boulder Opal Diamond Earrings.
Hand Selected
Category
21st Century and Contemporary American Contemporary Lever-Back Earrings
Materials
Diamond, Opal, Yellow Gold, 14k Gold
18K Yellow Gold Australian Boulder Opal Diamond Earrings
By Thomas Laine LLC
Located in New York City, NY
Stunning One of A Kind 18k Yellow Gold Australian Boulder Opal Diamond Earrings.
Hand Selected
Category
21st Century and Contemporary American Contemporary Lever-Back Earrings
Materials
Diamond, Opal, 18k Gold, Yellow Gold
0.94 Carat Australian Boulder Opal Loose Gemstone Trillion 7x6.5mm
Located in Columbus, OH
Presenting a 0.94 carat australian boulder opal loose gemstone!
Specifications
Stone: Boulder
Category
2010s American Loose Gemstones
Materials
Opal
Dalben Boulder Opal Rose Gold Ring
By Laura Dalben
Located in Como, IT
Dalben design One of a kind 18 kt rose gold ring with a pastel colors solid Australian Boulder
Category
21st Century and Contemporary Italian Contemporary Cocktail Rings
Materials
Opal, Gold, 18k Gold, Rose Gold
Dalben Boulder Opal Rose Gold Ring
By Laura Dalben
Located in Como, IT
Dalben design One of a kind 18 kt rose gold ring with an oval cabochon solid Australian Boulder
Category
21st Century and Contemporary Italian Contemporary Cocktail Rings
Materials
Opal, Gold, 18k Gold, Rose Gold
Natural Boulder Opal Clip-On Earrings 14K Yellow Gold
Located in Dallas, TX
Natural Boulder Opal Clip-On Earrings in 14K Yellow Gold. The earrings feature two free form
Category
20th Century Clip-on Earrings
Materials
Opal, 14k Gold, Yellow Gold
Fine 9.89ct Australian Freeform Boulder Opal Matrix Koroit Specimen
Located in Birmingham, GB
Fine 9.89ct Australian Freeform Boulder Opal Matrix Koroit Specimen 34.2x10.2mm
Fine Natural
Category
21st Century and Contemporary More Jewelry
Dalben Very Long Boulder Opal Rose Gold Ring
By Oreste Dalben
Located in Como, IT
carats bezel-set blue Australian Boulder Opal.
The Australian Boulder Opal has the deep blue green colors
Category
21st Century and Contemporary Italian Contemporary Cocktail Rings
Materials
Opal, Rose Gold, Gold, 18k Gold
Dalben Blue Rectangular Boulder Opal Yellow Gold Ring
By Oreste Dalben
Located in Como, IT
wonderful rectangular Boulder Opal.
This Australian Boulder Opal has the seabed colors
Ring size 7 1/4
Category
21st Century and Contemporary Italian Contemporary Cocktail Rings
Materials
Opal, 18k Gold, Gold, Yellow Gold
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
Art Nouveau Boulder Opal Pearl & Sapphire Necklace
Located in Santa Barbara, CA
beautiful designs in history. This boulder opal necklaces encompasses all of the classic elements. Centering
Category
Antique 1890s Art Nouveau Pendant Necklaces
Materials
Opal, Pearl, Sapphire, 18k Gold, Yellow Gold
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
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
Handmade Boulder Opal Yellow Gold Diamond Pave Drop Earrings
By H & H Jewels
Located in Miami, FL
Feel the luxurious power of 27.32 carats of stunning Boulder Opals embraced by the finest diamonds
Category
2010s North American Drop Earrings
Materials
Diamond, Opal, Yellow Gold
18k Gold Australian Boulder Opal and Peridot Pendant
By Angelina Fine Jewelry
Located in Amsterdam, NH
A stylish and intriguing 18k gold pendant with a natural Australian boulder opal and a brilliant
Category
2010s Dutch Artisan Pendant Necklaces
Materials
Opal, Peridot, 18k Gold
18k Gold Australian Boulder Opal and Amethyst Pendant
By Angelina Fine Jewelry
Located in Amsterdam, NH
A stylish and intriguing 18k gold pendant with a natural Australian boulder opal and a brilliant
Category
2010s Dutch Artisan Pendant Necklaces
Materials
Amethyst, Opal, 18k Gold
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 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, Gold, 14k Gold, Yellow Gold
18k Gold Australian Boulder Opal and Diamond Pendant
By Angelina Fine Jewelry
Located in Amsterdam, NH
A stylish and intriguing 18k gold pendant with a natural Australian boulder opal and a Bolshevik
Category
2010s Dutch Artisan Pendant Necklaces
Materials
Diamond, Opal, 18k Gold
14kt White Gold Australian Boulder Opal Earrings
By Kary Adam
Located in Seattle, WA
These Unique "One of a Kind" 14kt white Gold Australian Boulder Opal Earrings are accented with
Category
2010s Thai Artisan Dangle Earrings
Materials
Opal, Tanzanite, Tsavorite, White Gold
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
24.11ct Natural Solid Untreated Black Boulder Opal
Located in MAIN BEACH, QLD
Once-in-a-lifetime gem, this Australian black boulder opal has no equal. With its stunning ribbon
Category
2010s Australian Loose Gemstones
Materials
Opal, Black Opal
Boulder Opal Pendant on a Blackened Silver Chain
By Kary Adam
Located in Seattle, WA
A Boulder Opal Pendant on a Blackened Silver 18" Chain. This Australian Boulder Opal has a crystal
Category
2010s Australian Contemporary Pendant Necklaces
Materials
Opal, Silver
Boulder Opal Pendant on a Blackened Silver Chain
By Kary Adam
Located in Seattle, WA
A Boulder Opal Pendant on a Blackened Silver 18" Chain. This Australian Boulder Opal has a crystal
Category
2010s Australian Contemporary Pendant Necklaces
Materials
Opal, Silver
Michael Kneebone Boulder Opal Diamond Archaic Style Ring
By Michael Kneebone
Located in Austin, TX
Boulder opal forms the centerpiece of this archaic style ring. Boulder opal (origin: Queensland
Category
2010s Contemporary Cluster Rings
Materials
Diamond, Opal, 18k Gold
Natural Statement Boulder Opal Ring with 18 Carat Yellow Gold
Located in Kirschweiler, DE
This Boulder Opal Ring with 18 Carat Yellow Gold is totally handmade and cut of one extraordinary
Category
2010s German Arts and Crafts Cocktail Rings
Materials
Opal, Gold, 18k Gold, Yellow Gold
18k Gold Short Pink Boulder Opal and Diamond Necklace
By Angelina Fine Jewelry
Located in Amsterdam, NH
can appreciate the mesmerising beauty and uniqueness of boulder opals. Perfect on its own or for
Category
2010s Dutch Artisan Pendant Necklaces
Materials
Opal, Diamond, 18k Gold
Dalben Australian Boulder Opal Rose Gold Earrings
By Laura Dalben
Located in Como, IT
set Australian Boulder Opals weighing 12 carats.
max width 16 mm
height without leverback 34 mm
Category
21st Century and Contemporary Italian Contemporary Dangle Earrings
Materials
Opal, Gold, 18k Gold, Rose Gold
16.92 Carat Australian Boulder Opal & 18k Gold Earrings
Located in MAIN BEACH, QLD
gold earrings with amazing vivid-coloured boulder opal. Get ready to talk about these a lot, everyone
Category
2010s Australian Dangle Earrings
Materials
Opal, 18k Gold
Lauren Harper Boulder Opal, Diamond, Gold Statement Necklace
By Lauren Harper
Located in Winnetka, IL
Vibrant blue Boulder Opal doublets are surrounded by 18kt Yellow gold and Diamonds in feminine and
Category
2010s Unknown Artist Pendant Necklaces
Materials
Diamond, Opal, 18k Gold
Free Shipping
W 1.26 in D 0.12 in L 3.98 in
5.82ct Black Boulder Opal, Diamond & 18K Gold Necklace
Located in MAIN BEACH, QLD
What an amazing black boulder opal we have here. Bright reds, greens and blues in this bespoke
Category
21st Century and Contemporary Australian Pendant Necklaces
Materials
Diamond, Opal, Black Opal, 18k Gold
Boulder Opal Ring 22 Karat Gold 18 Karat Gold Aqua Flash
By Jennifer Kalled
Located in Wolfeboro, NH
Boulder opal ring in a lovely aqua turquoise tone. The pattern of color in this boulder opal is
Category
21st Century and Contemporary American Artisan More Rings
Materials
Opal, 18k Gold, 22k Gold
Dalben Trilogy Boulder Opal Rose Gold Ring
By Laura Dalben
Located in Como, IT
Boulder Opals weight 4,34 carats .
Ring size US 7 1/4 - EU 55 re-sizable .
Bezels setting dimension
Category
21st Century and Contemporary Italian Contemporary Cocktail Rings
Materials
Opal, Rose Gold, Gold, 18k Gold
Boulder Opal Pendant Mahogany Natural Unisex Necklace Ivy
Located in Berlin, DE
Boulder Opal necklace in sterling silver
Opal origin - Australia
Opal measurements - 0.16 x 0.51 x
Category
2010s French Artisan Pendant Necklaces
Materials
Opal, Silver, Sterling Silver
Free Shipping
H 1.54 in W 0.51 in D 0.16 in L 0.94 in
Australian Boulder Opal Pendant Sliding on an Blackened Silver Chain
By Kary Adam
Located in Seattle, WA
Kary Adam Designed, Australian Boulder Opal Pendant Sliding on an 18" Blackened Silver Chain
This
Category
2010s Thai Contemporary Pendant Necklaces
Materials
Opal, Silver
Free Shipping
W 0.88 in D 0.2 in L 1.75 in
Natural 11.13 Ct Green-Blue Oval Australian Boulder Opal
Located in BELCONNEN, ACT
A lovely oval Australian boulder opal with darker green and blue colors. This natural solid
Category
Antique 15th Century and Earlier Australian Pendant Necklaces
Materials
Opal
Studio Greytak 'Boulder Opal Earrings on Copper' Amethyst, Citrine, & Peridot
By Studio Greytak
Located in Missoula, MT
MATERIALS
Boulder Opal
Amethyst
Citrine
Peridot
Copper
Silver
Category
21st Century and Contemporary American Modern Lever-Back Earrings
Materials
Amethyst, Citrine, Opal, Peridot, Silver, Copper
Free Shipping
H 6.625 in W 4.25 in D 1.625 in
Australian 8.01ct Boulder Opal, Emerald & 18K Gold Brooch
Located in MAIN BEACH, QLD
from solid 18K gold with gorgeous blue-green boulder opal back and green emeralds for eyes. A timeless
Category
Late 20th Century Australian Brooches
Materials
Opal, Emerald, Black Opal, Diamond, 18k Gold
2.61 Carat Australian Boulder Opal Gemstone Oval 13x7mm Loose Gemstone
Located in Columbus, OH
Presenting a 2.61 carat Australian boulder opal loose gemstone! Each piece is one-of-a-kind with
Category
2010s American Loose Gemstones
Materials
Opal
Free Shipping
W 0.3 in L 0.51 in
Australian 20.05ct Boulder Opal, Diamond & Platinum Necklace
Located in MAIN BEACH, QLD
Drawn to this amazing piece? It is hard not to be. A very special blue green boulder opal with
Category
2010s Australian Pendant Necklaces
Materials
Diamond, Opal, Platinum
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
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Boulder Opals For Sale on 1stDibs
Find an expansive variety of boulder opals available on 1stDibs. Frequently made of Gold, 18k Gold and Yellow Gold, these items were constructed with great care. Find a collection of 66 vintage versions or 364 modern creations for a more contemporary example of these cherished accessories. Our collection, which features older pieces for sale from the 18th Century and newer versions made as recently as the 21st Century, has proven very popular over the years. Our collection of boulder opals includes designs that are universally popular, but Contemporary and Artisan styles, specifically, are sought with frequency. Many examples in our inventory of these items are appealing no matter their origins, but Renata Bernard, Laura Dalben and Jennifer Kalled produced popular versions that are worth a look. Today, if you’re looking for cabochon boulder opals and are unable to find the perfect match, our selection also includes mixed cut and round cut alternatives. When shopping our range of boulder opals, you’ll find that there are less available pieces for men today than there are for women.
How Much are Boulder Opals?
Prices for boulder opals can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $350 and can go as high as $207,600, while boulder opals, on average, fetch $5,128.
Questions About Boulder Opals
- 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.
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