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Home Gemstones Opal

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
Gray
Green Opal
Multicolor Opal
Orange Opal
Pink
Purple
Red Opal
Turquoise
Violet
White Opal
Yellow Opal
Single
Pairs
Lots
Faceted
Cabochons
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13.00ct Multicolor Opal, Pear Shape, Opaque

19.4 x 13.6 mm

$ 27.84

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5.36ct Multicolor Black Opal, Cushion, Opaque

12 x 12 mm (calibrated)

$ 160.16

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4.38ct Multicolor Opal, Trillion, Translucent

12.5 x 12.3 mm

$ 109.06

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21.39ct Multicolor Boulder Opal, Cushion, Opaque

16 x 16 mm (calibrated)

$ 164.04

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6.68ct Multicolor Black Opal, Marquise, Opaque

20 x 10 mm (calibrated)

$ 199.60

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17.03ct Multicolor Boulder Opal, Fancy, Opaque

26.9 x 13.5 mm

$ 93.29

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0.84ct Multicolor Chocolate Opal, Round, Translucent

8 mm (calibrated)

$ 27.61

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30.50ct Multicolor Boulder Opal, Pear Shape, Translucent

30 x 22 mm (calibrated)

$ 167.08

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19.94ct Multicolor Boulder Opal, Marquise, Opaque

36.4 x 16.3 mm

$ 109.23

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1.84ct Multicolor Opal, Marquise, Transparent

13.8 x 6.7 mm

$ 64.14

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41.37ct Multicolor Boulder Opal, Oval, Opaque

30 x 22 mm (calibrated)

$ 226.63

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21.82ct Multicolor Boulder Opal, Cushion, Opaque

20.7 x 16.1 mm

$ 167.34

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11.91ct Yellow Cat'S Eye Opal, Oval, Opaque

15.5 x 13 mm

$ 59.31

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15.88ct Multicolor Boulder Opal, Cushion, Opaque

23.1 x 12.2 mm

$ 110.71

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4.57ct Yellow Cat'S Eye Opal, Oval, Opaque

12.2 x 9 mm

$ 25.04

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20.10ct Multicolor Boulder Opal, Cushion, Opaque

21.1 x 16.6 mm

$ 100.10

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7.86ct Yellow Cat'S Eye Opal, Oval, Translucent

15 x 10 mm (calibrated)

$ 14.13

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0.87ct Multicolor Opal, Round, Transparent

7 mm (calibrated)

$ 18.02

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50.36ct Multicolor Opal, Oval, Opaque

36.9 x 27 mm

$ 125.40

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42.73ct Multicolor Boulder Opal, Oval, Opaque

27 x 20 mm (calibrated)

$ 327.70

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5.89ct Brown Cat'S Eye Opal, Oval, Translucent

13.7 x 10.5 mm

$ 32.27

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3.43ct Yellow Cat'S Eye Opal, Oval, Opaque

10.4 x 8.6 mm

$ 10.25

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1.26ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 30.37

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3.04ctw Multicolor Opal, Round, Transparent

6.5 mm (calibrated)

$ 70.97

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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 -> 9 star ratings

Easy to use. Many options to find the right gemstone

Posted By Liz in May, 2026
Source: Bizrate

Overall Rating -> 7 star ratings

Easy, quick.

Posted By Mich in June, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Recomendado Totalmente Los Productos Se Entregaron A Tiempo

Posted By Alexis in May, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Like the choices of loose stones, and the product quality.

Posted By Online Shopper in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Over pretty well experience the your website no complaints about it very easy reliable service provided

Posted By Blas in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

The website was very easy to use.

Posted By Garnet in January, 2026
Source: Bizrate
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