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Australian Opal

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0.64ct Oval Cabochon Gray Opal from Australia
Located in Toronto, Ontario
Description: Gem Type: Opal Number of Stones: 1 Weight: 0.64 cts Measurements: 7.99 x 6.07 x 2.13
Category

2010s Australian Loose Gemstones

Materials

Opal

1.19ct Oval Cabochon Gray Opal from Australia
Located in Toronto, Ontario
Description: Gem Type: Opal Number of Stones: 1 Weight: 1.19 cts Measurements: 9.22 x 7.70 x 2.75
Category

2010s Australian Loose Gemstones

Materials

Opal

0.62ct Oval Cabochon Gray Opal from Australia
Located in Toronto, Ontario
Description: Gem Type: Opal Number of Stones: 1 Weight: 0.62 cts Measurements: 8.05 x 6.10 x 1.58
Category

2010s Australian Loose Gemstones

Materials

Opal

0.59ct Oval Cabochon Gray Opal from Australia
Located in Toronto, Ontario
Description: Gem Type: Opal Number of Stones: 1 Weight: 0.59 cts Measurements: 8.22 x 6.20 x 1.67
Category

2010s Australian Loose Gemstones

Materials

Opal

0.54ct Oval Cabochon Gray Opal from Australia
Located in Toronto, Ontario
Description: Gem Type: Opal Number of Stones: 1 Weight: 0.54 cts Measurements: 8.20 x 6.32 x 1.53
Category

2010s Australian Loose Gemstones

Materials

Opal

0.55ct Oval Cabochon White Opal from Australia
Located in Toronto, Ontario
Description: Gem Type: Opal Number of Stones: 1 Weight: 0.55 cts Measurements: 9.04 x 7.20 x 1.46
Category

2010s Australian Loose Gemstones

Materials

Opal

1.32ct Oval Cabochon White Opal from Australia
Located in Toronto, Ontario
Description: Gem Type: Opal Number of Stones: 1 Weight: 1.32 cts Measurements: 11.16 x 6.51 x
Category

2010s Australian Loose Gemstones

Materials

Opal

0.66ct Oval Cabochon Gray Opal from Australia
Located in Toronto, Ontario
Description: Gem Type: Opal Number of Stones: 1 Weight: 0.66 cts Measurements: 8.27 x 6.01 x 2.10
Category

2010s Australian Loose Gemstones

Materials

Opal

0.72ct Oval Cabochon Gray Opal from Australia
Located in Toronto, Ontario
Description: Gem Type: Opal Number of Stones: 1 Weight: 0.72 cts Measurements: 8.07 x 6.20 x 2.15
Category

2010s Australian Loose Gemstones

Materials

Opal

2.58ct Oval Cabochon Gray Opal from Australia
Located in Toronto, Ontario
Description: Gem Type: Opal Number of Stones: 1 Weight: 2.58 cts Measurements: 14.96 x 10.34 x
Category

2010s Australian Loose Gemstones

Materials

Opal

0.84ct Freeform Cabochon Gray Opal from Australia
Located in Toronto, Ontario
: Opal Variety: Treatment: None Origin: Australia Notes: Phenomenon: Displaying Play Of Color
Category

2010s Australian Loose Gemstones

Materials

Opal

2.15ct Oval Cabochon White Opal from Australia
Located in Toronto, Ontario
Description: Gem Type: Opal Number of Stones: 1 Weight: 2.15 cts Measurements: 12.51 x 9.64 x
Category

2010s Australian Loose Gemstones

Materials

Opal

0.86ct Oval Cabochon Gray Opal from Australia
Located in Toronto, Ontario
Description: Gem Type: Opal Number of Stones: 1 Weight: 0.86 cts Measurements: 9.88 x 6.55 x 2.17
Category

2010s Australian Loose Gemstones

Materials

Opal

1.49ct Oval Cabochon Gray Opal from Australia
Located in Toronto, Ontario
Description: Gem Type: Opal Number of Stones: 1 Weight: 1.49 cts Measurements: 9.89 x 7.93 x 3.12
Category

2010s Australian Loose Gemstones

Materials

Opal

2.92ct Freeform Cabochon Gray Opal from Australia
Located in Toronto, Ontario
Description: Gem Type: Opal Number of Stones: 1 Weight: 2.92 cts Measurements: 14.44 x 9.83 x
Category

2010s Australian Loose Gemstones

Materials

Opal

2ct Oval Cabochon Gray Opal from Australia
Located in Toronto, Ontario
Description: Gem Type: Opal Number of Stones: 1 Weight: 2 cts Measurements: 11.65 x 8.02 x 3.07
Category

2010s Australian Loose Gemstones

Materials

Opal

1.63ct Oval Cabochon Gray Opal from Australia
Located in Toronto, Ontario
Description: Gem Type: Opal Number of Stones: 1 Weight: 1.63 cts Measurements: 12.80 x 10.42 x
Category

2010s Australian Loose Gemstones

Materials

Opal

1.7ct Freeform Cabochon Gray Opal from Australia
Located in Toronto, Ontario
Description: Gem Type: Opal Number of Stones: 1 Weight: 1.7 cts Measurements: 15.07 x 8.09 x 2.53
Category

2010s Australian Loose Gemstones

Materials

Opal

3.98ct Freeform Cabochon Gray Opal from Australia
Located in Toronto, Ontario
Description: Gem Type: Opal Number of Stones: 1 Weight: 3.98 cts Measurements: 18.95 x 10.73 x
Category

2010s Australian Loose Gemstones

Materials

Opal

2.89ct Oval Cabochon Gray Opal from Australia
Located in Toronto, Ontario
Description: Gem Type: Opal Number of Stones: 1 Weight: 2.89 cts Measurements: 14.22 x 8.60 x
Category

2010s Australian Loose Gemstones

Materials

Opal

2.43ct Freeform Cabochon Gray Opal from Australia
Located in Toronto, Ontario
Description: Gem Type: Opal Number of Stones: 1 Weight: 2.43 cts Measurements: 11.29 x 8.93 x
Category

2010s Australian Loose Gemstones

Materials

Opal

4.48ct Rectangular Cabochon Gray Opal from Australia
Located in Toronto, Ontario
Description: Gem Type: Opal Number of Stones: 1 Weight: 4.48 cts Measurements: 19.57 x 6.74 x
Category

2010s Australian Loose Gemstones

Materials

Opal

3.55ct Freeform Cabochon Gray Opal from Australia
Located in Toronto, Ontario
Description: Gem Type: Opal Number of Stones: 1 Weight: 3.55 cts Measurements: 16.42 x 6.51 x
Category

2010s Australian Loose Gemstones

Materials

Opal

3.69ct Pear Cabochon Gray Opal from Australia
Located in Toronto, Ontario
Description: Gem Type: Opal Number of Stones: 1 Weight: 3.69 cts Measurements: 16.41 x 9.27 x
Category

2010s Australian Loose Gemstones

Materials

Opal

1.16ct Pear Cabochon Gray Opal from Australia
Located in Toronto, Ontario
Description: Gem Type: Opal Number of Stones: 1 Weight: 1.16 cts Measurements: 9.92 x 6.52 x 3.30
Category

2010s Australian Loose Gemstones

Materials

Opal

1.37ct Freeform Cabochon Gray Opal from Australia
Located in Toronto, Ontario
Description: Gem Type: Opal Number of Stones: 1 Weight: 1.37 cts Measurements: 11.78 x 8.60 x
Category

2010s Australian Loose Gemstones

Materials

Opal

2.38ct Freeform Cabochon Gray Opal from Australia
Located in Toronto, Ontario
Description: Gem Type: Opal Number of Stones: 1 Weight: 2.38 cts Measurements: 13.74 x 10.32 x
Category

2010s Australian Loose Gemstones

Materials

Opal

2.36ct Freeform Cabochon Gray Opal from Australia
Located in Toronto, Ontario
: Opal Variety: Treatment: None Origin: Australia Notes: Phenomenon: Displaying Play Of Color Internal
Category

2010s Australian Loose Gemstones

Materials

Opal

3.8ct Freeform Cabochon Gray Opal from Australia
Located in Toronto, Ontario
Description: Gem Type: Opal Number of Stones: 1 Weight: 3.8 cts Measurements: 18.73 x 7.18 x 3.35
Category

2010s Australian Loose Gemstones

Materials

Opal

2.57ct Freeform Cabochon Gray Opal from Australia
Located in Toronto, Ontario
Description: Gem Type: Opal Number of Stones: 1 Weight: 2.57 cts Measurements: 12.65 x 9.17 x
Category

2010s Australian Loose Gemstones

Materials

Opal

3.18ct Freeform Cabochon White Opal from Australia
Located in Toronto, Ontario
: Opal Variety: Treatment: None Origin: Australia Notes: Phenomenon: Displaying Play Of Color Internal
Category

2010s Australian Loose Gemstones

Materials

Opal

1.64ct Freeform Cabochon Grey Opal from Australia
Located in Toronto, Ontario
Description: Gem Type: Opal Number of Stones: 1 Weight: 1.64 cts Measurements: 13.36 x 8.66 x 2.37
Category

2010s Australian Loose Gemstones

Materials

Opal

Genuine Rainbow Sapphire and Turquoise with Ethiopian Opal 20 inch Gold Necklace
Located in GOES, NL
• Australian Opals • Sapphire • Larimar • Tanzanite • Ethiopian opals • Pink opal • Rose quartz • Citrine
Category

2010s European Modern Beaded Necklaces

Materials

Aquamarine, Citrine, Opal, Sapphire, Tanzanite, Turquoise, Chrysophrase,...

Sterling Silver Amethyst Opal Victorian Filigree Trilogy Promise Customizable
Located in Chesham, GB
of Natural Amethysts and Colorful Australian Opals. The round cut Amethysts measure 5mm (0.20") and
Category

2010s British Victorian Three-Stone Rings

Materials

Amethyst, Opal, Sterling Silver

0.84ct Freeform Cabochon Grey Opal from Australia
Located in Toronto, Ontario
Description: Gem Type: Opal Number of Stones: 1 Weight: 0.84 cts Measurements: 8.74 x 5.18 x 3.17
Category

2010s Australian Loose Gemstones

Materials

Opal

Solid Sterling Silver Five Stone Natural Opal Eternity Ring Customizable
Located in Chesham, GB
, natural Australian Opals. The Opals measure 7x5mm, two 6x4mm & two 5x4mm oval colorful AAA Quality Fiery
Category

2010s British Victorian Engagement Rings

Materials

Opal, Sterling Silver

Vintage Marine Opal by QLD, Australia, 1970s
Located in Roma, IT
Marine opal is a very beautiful decorative object, realized during the 1970s. A very elegant
Category

Vintage 1970s Australian Paperweights

Materials

Opal

8.01ct Freeform Gray Opal GIA Certified Australia
Located in Toronto, Ontario
This is a stunning GIA Certified Opal The GIA report reads as follows: GIA Report Number
Category

2010s Australian Loose Gemstones

Materials

Opal

6.39ct Freeform Gray Opal GIA Certified Australia
Located in Toronto, Ontario
This is a stunning GIA Certified Opal The GIA report reads as follows: GIA Report Number
Category

2010s Australian Loose Gemstones

Materials

Opal

Round Opal with Diamond Halo Pendant Necklace (Approx 0.30-Carats) 14K Yellow Go
Located in New York, NY
This necklace features a beautiful Australian opal weighing approximately 0.34 carats, set securely
Category

2010s Unknown Art Deco Pendant Necklaces

Materials

Diamond, Opal

Solid 14K White Gold Five Stone Natural Opal Eternity Ring Customizable
Located in Chesham, GB
, natural Australian Opals. The Opals measure 7x5mm, two 6x4mm & two 5x4mm oval colorful AAA Quality Fiery
Category

2010s British Victorian Engagement Rings

Materials

Opal, 14k Gold, White Gold

Solid 9K White Gold Five Stone Natural Opal Eternity Ring Customizable
Located in Chesham, GB
, natural Australian Opals. The Opals measure 7x5mm, two 6x4mm & two 5x4mm oval colorful AAA Quality Fiery
Category

2010s British Victorian Engagement Rings

Materials

Opal, 9k Gold, White Gold

2.73ct Rectangular Freeform Cabochon Gray Opal from Australia
Located in Toronto, Ontario
: N/A Species: Opal Variety: Treatment: None Origin: Australia Notes: Phenomenon: Displaying Play Of
Category

2010s Australian Loose Gemstones

Materials

Opal

8.26 CTW Au Opal, Rose Cut Diamond Earrings, Impressive Play of Colors
Located in Hong Kong, HK
Please check out the HD video! These are Australian doublet Opals! When it comes to opals, one of
Category

2010s Hong Kong Dangle Earrings

Materials

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

The Precious - Sugarloaf Cut Mexican Fire Opal Diamond Engagement Ring 18K Gold
Located in Suwanee, GA
The Precious - Deep Red Sugar-Loaf Cut Mexican Fire Opal & Australian Opal Diamond Engagement
Category

2010s American Arts and Crafts Engagement Rings

Materials

Diamond, Opal, Fire Opal, Black Opal, 18k Gold, Yellow Gold, Gold

Dark Opal Pink Sapphires gold ring Engagement Azalea Flower
By Alexey Gabilo
Located in Berlin, DE
beautiful gemstones. An Australian Opal is securely prong set sideways in the center, exhibiting an
Category

2010s French Artisan Engagement Rings

Materials

Black Opal, Sapphire, Pink Sapphire, Opal, White Gold, 18k Gold, Gold

10k Yellow Gold Natural Sapphire Opal Womens Trilogy Ring Customizable
Located in Chesham, GB
2.25mm (0.09") Australian Opals The gemstones are natural, earth-mined. Our jewellery is fully tested
Category

2010s British Victorian Three-Stone Rings

Materials

Opal, Sapphire, 10k Gold, Yellow Gold

Australian Loose Boulder Opal of 9.00ct. 21mm x 14mm.
Located in MELBOURNE, AU
This Australian Loose Boulder Opal is of impressive 9.00ct (21mm x 14mm) displaying the superb
Category

2010s Australian Loose Gemstones

Materials

Opal

18K Yellow Gold Natural Colorful Opal Victorian Style Trilogy Ring
Located in Chesham, GB
Australian Opal - One center oval cut 6x4 mm (0.24" x 0.16") and two round cut 4mm (0.16") Very Colorful
Category

2010s British Victorian Three-Stone Rings

Materials

Opal, 18k Gold, Yellow Gold

Loose 13 carat oval Australian Black Opal spectacular colors
Located in Laguna Hills, CA
Fine, oval-shaped Australian Black Opal loose gemstone (ring is not included). This color and size
Category

21st Century and Contemporary Australian Artisan Loose Gemstones

Materials

Opal, Black Opal

Baume Creation Opal Mint Garnet 18 Karat Yellow Gold Dangle Earrings
By Baume
Located in Poitiers, FR
, claw-set, watermint-colored tsavorite garnets hold claw-set Australian cabochon-cut oval opals. The
Category

21st Century and Contemporary French Modern Dangle Earrings

Materials

Garnet, Opal, Tsavorite, Gold, 18k Gold, Yellow Gold

Opal Pink Sapphires Gold Ring Promise Wedding Ring
Located in Berlin, DE
beautiful gemstones. An Australian Opal is securely prong set sideways in the center, exhibiting an
Category

2010s French Artisan Wedding Rings

Materials

Black Opal, Pink Sapphire, Sapphire, Opal, White Gold, 18k Gold, Gold

Natural 5.89 Ct Australian boulder opal mined by Sue Cooper
Located in BELCONNEN, ACT
This amazing 5.89 Ct Australian black boulder opal was mined by Sue Cooper at her Yaraka opal mine
Category

2010s Australian Loose Gemstones

Materials

Opal, Black Opal

9K Yellow Gold Large Natural Opal and Garnet Cluster Cocktail Ring Customizable
Located in Chesham, GB
Handcrafted from 9K Yellow Gold and handset with a Stunning Natural Large Australian Opal & lovely
Category

2010s British Art Deco Cluster Rings

Materials

Garnet, Opal, 9k Gold, Yellow Gold

Pink Opal ring Neon opal natural opal australian wedding anniversary gift
Located in Berlin, DE
circumference weight of the Opal 6.53 ct gemstone origin - Australia stone measurements - 0.16 х 0.35 in / 12 х
Category

2010s German Artist Solitaire Rings

Materials

Opal, Silver

Boulder Opal Diamond Silver Ring 9.5-10 US gift statement ring unisex
Located in Berlin, DE
A sculptural ring featuring four natural Australian boulder opals and a single round diamond. The
Category

2010s German Artisan Cocktail Rings

Materials

Diamond, Opal, Silver

Australian Black Opal Diamond Platinum Ring
Located in Beverly Hills, CA
A chic and elegant ring featuring a natural Australian black opal. It weighs 4.10 carats and has
Category

21st Century and Contemporary American Fashion Rings

Materials

Diamond, Opal, Black Opal, Platinum

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Australian Opal For Sale on 1stDibs

Find the exact australian opal you’re shopping for in the variety available on 1stDibs. Every item for sale was constructed with extraordinary care, often using Gold, 18k Gold and Yellow Gold. Find an antique version now, or shop for 153 vintage or 537 modern creation for a more contemporary example of these cherished accessories. Finding the perfect australian opal may mean sifting through those created during different time periods — you can find an early version that dates to the 19th Century and a newer variation that were made as recently as the 21st Century. For this particular accessory, there are many different carat weights to choose from, but .5 Carat and 1 Carat versions are of considerable interest. There have been many well-made iterations of the classic australian opal over the years, but those made by Renata Bernard, Laura Dalben and SCALA GIOIELLI are often thought to be among the most beautiful. A cabochon version of this piece has appeal, but there are also oval cut and mixed cut versions for sale. If you’re browsing our inventory for a australian 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 an Australian Opal?

On average, a australian opal at 1stDibs sells for $5,319, while they’re typically $312 on the low end and $340,949 for the highest priced versions of this item.

The Legacy of Opal in Jewelry Design

Opals were discovered in 400 BC, and since then five types have been found throughout the world. Before you start shopping for mysteriously beautiful vintage opal rings and other opal jewelry, learn about the different varieties of the gem — and find out which historical figure was reportedly willing to trade his kingdom for a single stone.

Here is a little riddle for you: the month of October has two birthstones, but only one of them encompasses the colors of other birthstones. If you guessed opal, you’re right! (The other gemstone associated with the month of October is tourmaline.)

Opals are such unusual gemstones that there are too many old-wives tales associated with them, like if you’re a blond, wearing an opal necklace will protect your locks from losing color. Opals were also very fashionable in the early 19th century, up until the publication of Sir Walter Scott’s novel Anne of Geierstein in 1829. The title heroine wears an opal and succumbs to an untimely death. However, the British monarchy, and in particular Queen Victoria, did not let this story get in their way, and they frequently gifted opals to friends and family members. October babies should disregard the noise and proudly wear their opals!

There are five types of precious opals: boulder opal, fire opal, crystal/water opal, black opal, and white/light opal. Each variety is distinguished by its color.

So, where does the name come from? The word opal is thought to originate from the Roman opalus or from the Sanskrit úpala (“precious stone”) or from the Greek opallios (“to see a color change”). So while there have been many names for the stones, opals were first discovered in 400 BC in Ethiopia. But the early reference that comes up most often in history books is from the Roman philosopher Pliny the Elder, who wrote about it in 75 AD. In his text he refers to it as opali. The Romans were big fans of opal, Mark Antony was so enamored by it that, as the story goes, he was willing to trade a portion of his kingdom for a single opal.

There's a wide variety of antique and vintage opal jewelry on 1stDibs (and you won't have to trade your kingdom for it).

Questions About Australian Opal
  • 1stDibs ExpertNovember 2, 2021
    Today, Australia and Ethiopia are the two largest producers of opals. Historically, most of the world’s opals were mined in South Australia. The stone is so closely associated with Australia that in 1993 it became the national gemstone. There are five types of precious opals: boulder opal, fire opal, crystal/water opal, black opal, and white/light opal. Each variety is distinguished by its color. Shop a collection of vintage and modern Australian opal jewelry from some of the world’s top jewelers on 1stDibs.
  • 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.