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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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12.38ct Multicolor Boulder Opal, Fancy, Translucent

25 x 18 mm (calibrated)

$ 74.28

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3.94ct Golden-Brown Cat's Eye Opal, Oval, Translucent

12 x 10 mm (calibrated)

$ 14.18

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0.67ct Multicolor Opal, Pear Shape, Transparent

8 x 6.6 mm

$ 20.10

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0.45ct Multicolor Opal, Pear Shape, Transparent

7.7 x 4.9 mm

$ 13.50

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10.79ct Multicolor Boulder Opal, Fancy, Opaque

23.3 x 13.3 mm

$ 64.74

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0.73ct Multicolor Opal, Oval, Opaque

7.6 x 5.7 mm

$ 26.28

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1.19ctw Multicolor Opal, Oval, Transparent

6.9 x 5.2 mm

$ 357.00

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1.70ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 61.20

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4.12ct Multicolor Black Opal, Pear Shape, Opaque

15.9 x 9.2 mm

$ 206.00

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11.42ct Multicolor Boulder Opal, Fancy, Transparent

21.7 x 18.6 mm

$ 68.52

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4.97ct Multicolor Black Opal, Pear Shape, Opaque

15 x 10 mm (calibrated)

$ 248.50

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1.59ct Multicolor Opal Doublet, Pear Shape, Opaque

12 x 8 mm (calibrated)

$ 56.91

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2.51ct Multicolor Opal, Fancy, Translucent

12 x 8 mm (calibrated)

$ 84.34

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4.38ct Multicolor Opal, Oval, Translucent

15.2 x 11.2 mm

$ 131.40

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4.10ct Goldenrod Yellow Cat's Eye Opal, Oval, Opaque

11 x 9 mm (calibrated)

$ 14.76

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1.85ct Multicolor Opal, Fancy, Translucent

11.4 x 7.6 mm

$ 62.16

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1.45ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 52.20

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8.77ct Multicolor Boulder Opal, Fancy, Opaque

22.1 x 13.6 mm

$ 43.85

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0.95ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 34.20

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0.74ct Multicolor Chocolate Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 26.64

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3.95ct Multicolor Opal, Pear Shape, Translucent

15.1 x 10.8 mm

$ 105.13

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2.91ctw Multicolor Black Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 115.24

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9.69ct Yellowish Green Cat's Eye Opal, Cushion, Opaque

13.8 x 11.2 mm

$ 19.38

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0.55ct Multicolor Opal, Pear Shape, Transparent

8 x 5.3 mm

$ 13.75

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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

So far, my experience was great...Thanks

Posted By Kaydi in May, 2025
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Overall Rating -> 10 star ratings

Great website, easy to navigate, and loads quickly. Have bought here before, very pleased!

Posted By SallyO in February, 2026
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Overall Rating -> 10 star ratings

Love how easy the site is to use. Really love that the pictures are of actual product.

Posted By LeAnn in January, 2026
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Overall Rating -> 10 star ratings

Excellent options

Posted By CJ in February, 2026
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Overall Rating -> 10 star ratings

hassle free experience.

Posted By Jhidron in October, 2025
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Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 2025
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