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Opal Gemstones

Discover natural opal gemstones known for their unique play-of-color and endless variety.

Opal Weight
Opal Size
Opal Clarity
Opal Price

Size Explained

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color
Black Opal
Blue
Brown Opal
Golden Opal
Gray
Green Opal
Multicolor Opal
Orange Opal
Pink
Purple
Red
Turquoise
Violet
White Opal
Yellow Opal
Single
Pairs
Lots
Faceted
Cabochons
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0.83ctw Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 32.87

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0.81ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 29.16

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48.21ct Earth Green Cat's Eye Opal, Oval, Opaque

30 x 22 mm (calibrated)

$ 144.64

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3.05ct Multicolor Opal, Marquise, Translucent

20.8 x 8.2 mm

$ 81.18

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1.11ct Multicolor Opal, Fancy, Translucent

13 x 7.6 mm

$ 37.30

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5.08ct Multicolor Black Opal, Pear Shape, Translucent

14 x 10 mm (calibrated)

$ 182.88

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1.00ct Multicolor Opal, Oval, Transparent

8.4 x 5.5 mm

$ 25.00

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0.48ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 17.28

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3.19ctw Multicolor Blue Green Opal Doublet, Pear Shape, Opaque

13.3 x 6.7 mm

$ 114.17

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0.59ct Multicolor Opal, Oval, Transparent

7 x 5 mm (calibrated)

$ 17.70

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3.85ct Multicolor Black Opal, Marquise, Opaque

18 x 9 mm (calibrated)

$ 135.14

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2.16ct Multicolor Opal, Oval, Opaque

12.5 x 8 mm

$ 77.76

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8.30ct Multicolor Boulder Opal, Pear Shape, Opaque

19.3 x 11 mm

$ 76.69

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0.76ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 27.36

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1.24ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 44.64

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3.49ct Multicolor Opal, Oval, Translucent

11 x 9 mm (calibrated)

$ 94.96

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5.76ct Multicolor Black Opal, Oval, Translucent

15.4 x 11.9 mm

$ 172.80

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2.94ct Multicolor Opal, Oval, Opaque

12 x 10 mm (calibrated)

$ 105.84

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10.16ct Warm Green Opal, Oval, Opaque

16.7 x 14.4 mm

$ 26.21

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1.76ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 69.70

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3.82ct Multicolor Black Opal, Round, Opaque

11 mm (calibrated)

$ 134.08

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1.07ct Multicolor Opal, Oval, Transparent

9 x 7 mm (calibrated)

$ 40.55

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0.40ct Multicolor Opal, Pear Shape, Transparent

7 x 5 mm (calibrated)

$ 12.00

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1.02ct Multicolor Opal, Pear Shape, Transparent

9 x 7 mm (calibrated)

$ 30.60

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Why Buy Opal from GemSelect?

Natural Opal Gemstones

Our natural opal gemstones are carefully selected for their vibrant play-of-color and individuality. Each stone is unique, making opals a favorite among jewelers and collectors.

Loose Opal Gemstones Online

Buy loose opal gemstones online at GemSelect with confidence. We offer detailed photos, transparent descriptions, and secure worldwide shipping.

Loose Opal Gemstones for Jewelry and Collecting

Opal for Jewelry Making

Opal gemstones are ideal for custom jewelry such as rings, pendants, and earrings. Their shifting colors create eye-catching designs unlike any other gemstone.

Australian and Ethiopian Opal

Australian opals are prized for their durability and classic color play, while Ethiopian opals are known for bold patterns and vivid flashes of color.

Faceted Opal Stones

Faceted opal gemstones enhance brilliance and highlight internal color play. These stones are perfect for modern jewelry designs requiring extra sparkle.

Opal Cabochons

Opal cabochons feature smooth, domed surfaces that emphasize color patterns. They are a popular choice for statement jewelry and artistic settings.

Wholesale Opal Gemstones

We offer wholesale opal gemstones for jewelers and designers seeking quality stones at competitive prices, including matched pairs and calibrated sizes.

October Birthstone Opal

Opal is the October birthstone, symbolizing creativity and individuality. It makes a meaningful gift for birthdays and special occasions.

Learn more about opal characteristics, care, and history on our Opal Information Page.

FAQs

What makes opal gemstones unique?

Opals are known for their play-of-color, an optical effect where flashes of color shift with movement and light.

Are GemSelect’s opal gemstones natural?

Yes, all our opal gemstones are natural. Any treatments or stabilizations are clearly disclosed.

Are opals suitable for everyday jewelry?

Opals are best suited for occasional wear. Protective settings are recommended due to their moderate hardness.

What types of opal do you sell?

We offer a wide range including Australian opal, Ethiopian opal, black opal, white opal, fire opal, and boulder opal.

Can I buy opal gemstones in matched pairs?

Yes, we offer matched opal pairs ideal for earrings and custom jewelry designs.

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

I love the quality, package and info of your gems.

Posted By Diana in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.

Posted By Sam in March, 2025
Source: Bizrate

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 -> 8 star ratings

Good prices

Posted By TRM in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to navigate

Posted By GemGod in July, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

The website was easy to use and there were a lot of good options, I was satisfied.

Posted By Brielly in January, 2026
Source: Bizrate
Enlarged Gemstone Image