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Home Gemstones Gemstones By Country Australian Opal

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
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1.08ct Multicolor Opal, Oval, Transparent

9 x 7 mm (calibrated)

$ 268.92

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11.61ct Multicolor Boulder Opal, Fancy, Opaque

18.8 x 12.3 mm

$ 34.69

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3.54ct Multicolor Boulder Opal, Fancy, Opaque

14.7 x 9 mm

$ 14.69

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2.15ct Multicolor Opal, Oval, Transparent

11.8 x 8.6 mm

$ 53.54

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13.03ct Multicolor Boulder Opal, Cushion, Opaque

20 x 15 mm (calibrated)

$ 71.38

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1.50ct Multicolor Opal, Pear Shape, Transparent

11.9 x 7.2 mm

$ 37.35

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0.49ct Multicolor Opal, Pear Shape, Transparent

8 x 5 mm (calibrated)

$ 12.20

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1.51ct White Opal, Oval, Translucent

10 x 7 mm (calibrated)

$ 37.60

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13.03ct Multicolor Boulder Opal, Pear Shape, Opaque

22.4 x 13.3 mm

$ 64.89

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1.94ct White Opal, Oval, Translucent

10.5 x 8.6 mm

$ 40.26

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2.22ctw Multicolor Opal, Oval, Translucent

9.8 x 6.6 mm

$ 55.83

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0.39ct Multicolor Opal, Pear Shape, Transparent

7 x 5 mm (calibrated)

$ 9.71

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51.22ct Multicolor Opal, Round, Opaque

32.1 mm

$ 153.04

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21.73ct Multicolor Boulder Opal, Fancy, Opaque

25.7 x 20.3 mm

$ 108.22

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0.91ct Multicolor Opal, Pear Shape, Transparent

9 x 7 mm (calibrated)

$ 22.66

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10.40ct Multicolor Boulder Opal, Fancy, Opaque

19.5 x 12.6 mm

$ 79.76

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16.35ct Multicolor Boulder Opal, Trillion, Translucent

23.8 x 15.4 mm

$ 67.85

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3.82ct Multicolor Opal Doublet, Baguette, Opaque

16 x 8 mm (calibrated)

$ 113.48

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2.10ct Multicolor Opal, Pear Shape, Translucent

14 x 9 mm (calibrated)

$ 52.29

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0.55ct Multicolor Opal, Pear Shape, Transparent

8 x 5.3 mm

$ 11.41

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1.51ct Multicolor Opal, Oval, Transparent

10.6 x 8 mm

$ 67.68

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3.69ct Multicolor Opal, Pear Shape, Translucent

12 x 12 mm (calibrated)

$ 91.88

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20.13ct Multicolor Boulder Opal, Fancy, Opaque

28.4 x 17.1 mm

$ 110.27

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0.45ct Multicolor Opal, Pear Shape, Transparent

7.7 x 4.9 mm

$ 11.21

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Why Buy Australian Opal from GemSelect?

GemSelect Certified Store Reviews

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

Overall Rating -> 10 star ratings

Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.

Posted By RenoRose in January, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Nothing bad to report. Everything is as expected. The gems and the price are all very good.

Posted By Dafanatic in August, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

easy interface for a pricless buy

Posted By Zeak in May, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Very good and simple exchange

Posted By Waylon in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I found the filter options excellent. Yours was the third site I visited (asked chat got for reputable online sellers of loose gems) and the first I purchased from as I was able to easily find what I was looking for.

Posted By Kelly in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I was looking for high-quality amethyst on this site, and I was able to compare size, color, and weight in detail before making a purchase.

Posted By Atsuhisa in January, 2026
Source: Bizrate
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