What makes Australian opals unique?

Australian opals are renowned for their vibrant colors and natural patterns, making them some of the most sought-after gemstones worldwide. Sourced from famous Australian opal mines like Coober Pedy and Lightning Ridge, these natural opals come in a variety of types, including Australian Black opal, Australian White opal, and solid Australian opal gemstones.

What are loose Australian opals used for?

Loose Australian opals are perfect for custom jewelry designs or as collectible gemstones. Whether you're looking for loose opal stones, opal cabochons, or Australian opal loose varieties, these gems add a touch of elegance to any creation.

Where do the best Australian loose opals come from?

Australia's opal mines, such as Coober Pedy and Lightning Ridge, are world-famous for producing high-quality opals. These mines yield stunning loose opals, including Australian Black opals and solid Australian opals, treasured for their exceptional beauty.

How can I care for my loose Australian opals?

To maintain the luster of your loose Australian opal, avoid exposure to harsh chemicals and extreme temperatures. These natural opals are delicate and should be handled with care to preserve their brilliance and unique patterns.

What is the difference between solid Australian opals and opal cabochons?

Solid Australian opals are single pieces of opal with natural patterns, while opal cabochons are opals cut and polished into rounded shapes for use in jewelry. Both are popular choices for creating unique and elegant designs.

Are Australian loose opals a good investment?

Yes, Australian loose opals, especially those from renowned mines like Lightning Ridge and Coober Pedy, are considered valuable. Natural opals such as Australian Black opals and Australian White opals hold their worth due to their rarity and beauty.

Can I find loose Australian opals in different sizes and shapes?

Absolutely! Loose Australian opals come in various sizes, shapes, and forms, including loose opal stones and opal cabochons, making them versatile for different design needs. Whether you prefer large statement pieces or smaller, intricate designs, there's an option for every taste.

Australian Opal: Natural Black and White Opal Stones, Calibrated Loose Australian Opals, Wholesale Opal

Australian Opal Weight

Australian Opal Size

Australian Opal Clarity

Australian Opal Price

Size Explained

Choose Size or Size Range

For Example: 6-7

For Example: 8-9

Bi-color

Black

Blue

Brown

Golden

Gray

Green

Multicolor Australian Opal

Orange

Pink

Purple

Red

Turquoise

Violet

White Australian Opal

Yellow

Single

Pairs

Lots

Faceted

Cabochons

Clear All

1.07ct Multicolor Opal, Oval, Transparent

9.9 x 6.6 mm

$ 26.64

View Gem

9.35ct Multicolor Boulder Opal, Fancy, Opaque

17.6 x 14.2 mm

$ 46.56

View Gem

23.34ct Multicolor Boulder Opal, Oval, Opaque

20.8 x 14 mm

$ 179.00

View Gem

0.85ctw Multicolor Opal, Oval, Transparent

7 x 5 mm (calibrated)

$ 232.82

View Gem

11.42ct Multicolor Boulder Opal, Fancy, Transparent

21.7 x 18.6 mm

$ 56.87

View Gem

1.10ct Multicolor Opal, Pear Shape, Transparent

11.1 x 6.6 mm

$ 27.39

View Gem

6.10ct Multicolor Boulder Opal, Fancy, Transparent

17 x 11.5 mm

$ 30.38

View Gem

1.02ct Multicolor Opal, Pear Shape, Transparent

9 x 7 mm (calibrated)

$ 25.40

View Gem

10.26ct Multicolor Boulder Opal, Fancy, Opaque

19.2 x 10.5 mm

$ 51.09

View Gem

35.49ct Multicolor Opal, Oval, Opaque

30.6 x 24.6 mm

$ 106.04

View Gem

18.42ct Multicolor Boulder Opal, Fancy, Opaque

22.4 x 14.5 mm

$ 91.73

View Gem

10.65ct Multicolor Boulder Opal, Fancy, Opaque

20.2 x 13.2 mm

$ 53.04

View Gem

9.91ct Multicolor Boulder Opal, Fancy, Opaque

16.1 x 13.4 mm

$ 41.13

View Gem

36.09ct Multicolor Boulder Opal, Oval, Opaque

29.8 x 18.5 mm

$ 276.78

View Gem

39.95ct Multicolor Boulder Opal, Sphere / Ball, Opaque

17.6 mm

$ 198.95

View Gem

0.95ct Multicolor Opal, Oval, Transparent

9.3 x 6.7 mm

$ 23.66

View Gem

1.54ct White Opal, Oval, Transparent

9.1 x 7.4 mm

$ 31.96

View Gem

28.90ct Multicolor Opal, Oval, Opaque

32.9 x 21.4 mm

$ 86.35

View Gem

0.76ct Multicolor Opal, Pear Shape, Transparent

9 x 6 mm (calibrated)

$ 18.92

View Gem

3.07ct Multicolor Opal, Oval, Transparent

13.5 x 10.1 mm

$ 76.44

View Gem

11.00ct Multicolor Boulder Opal, Fancy, Opaque

22.3 x 11.5 mm

$ 54.78

View Gem

1.62ctw Multicolor Opal, Oval, Transparent

8 x 6 mm (calibrated)

$ 33.33

View Gem

9.69ct Multicolor Boulder Opal, Trillion, Opaque

14 x 14 mm (calibrated)

$ 40.21

View Gem

7.30ct Multicolor Boulder Opal, Pear Shape, Opaque

15 x 9.5 mm

$ 50.90

View Gem

« 1 2 3

...

18 »

Choose Page

1 - 29

Why Buy Australian Opal from GemSelect?

Trusted Worldwide Since 2003
Supplying natural gemstones to jewelers and collectors in 120+ countries
Verified natural gemstones
View All GemSelect Reviews on Bizrate
Secure checkout and insured worldwide delivery
30-day returns and satisfaction guarantee

GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10

Easy to use. No issues. Large selection of gems.

Posted By CLTCJH in February, 2026

Source: Bizrate

Overall Rating -> 10

Recomendado Totalmente Los Productos Se Entregaron A Tiempo

Posted By Alexis in May, 2026

Source: Bizrate

Overall Rating -> 10

this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.

Posted By Tommyp in November, 2025

Source: Bizrate

Overall Rating -> 10

I was able to find what I wanted very easily!

Posted By Lenny in January, 2026

Source: Bizrate

Overall Rating -> 10

My experience was done with ease

Posted By Barb in October, 2025

Source: Bizrate

Overall Rating -> 10

It was good. There was a large selection at prices I could afford.

Posted By Zorah in February, 2026

Source: Bizrate

→ View All GemSelect Reviews on Bizrate