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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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13.21Ct Multicolor Boulder Opal, Fancy, Opaque

14 x 14 mm (calibrated)

$ 122.06

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1.33Ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 47.88

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4.65Ct Golden Brown Cat's Eye Opal, Oval, Translucent

12.1 x 8.6 mm

$ 30.70

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1.12Ct Multicolor Opal, Pear Shape, Transparent

9 x 6 mm (calibrated)

$ 33.60

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4.12Ct Multicolor Black Opal, Pear Shape, Opaque

15.9 x 9.2 mm

$ 206.00

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1.38Ct Multicolor Opal, Oval, Transparent

9 x 7 mm (calibrated)

$ 52.30

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0.61Ct Multicolor Opal, Pear Shape, Transparent

8 x 5 mm (calibrated)

$ 18.30

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5.00Ct Multicolor Opal, Pear Shape, Transparent

13 x 11 mm (calibrated)

$ 150.00

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14.76Ct Multicolor Opal, Pear Shape, Transparent

17 x 17 mm (calibrated)

$ 442.80

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0.53Ct Multicolor Opal, Pear Shape, Transparent

8 x 5 mm (calibrated)

$ 15.90

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1.09Ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 39.24

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1.07Ct Multicolor Opal, Oval, Transparent

9 x 7 mm (calibrated)

$ 40.55

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7.75Ct Multicolor Boulder Opal, Fancy, Opaque

16 x 12 mm (calibrated)

$ 46.50

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4.49Ct Multicolor Boulder Opal, Pear Shape, Opaque

12.3 x 9.3 mm

$ 22.45

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4.62Ct Multicolor Boulder Opal, Oval, Opaque

14 x 9 mm (calibrated)

$ 23.10

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22.54Ct Multicolor Boulder Opal, Oval, Opaque

24.8 x 20 mm

$ 208.27

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5.92Ct Multicolor Black Opal, Oval, Opaque

16.1 x 12.5 mm

$ 213.12

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2.95Ct Multicolor Boulder Opal, Pear Shape, Opaque

11.5 x 8.5 mm

$ 14.75

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39.78Ct Multicolor Opal, Pear Shape, Transparent

33.2 x 19.8 mm

$ 2,784.60

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22.77Ct Multicolor Opal, Oval, Transparent

25.9 x 18.6 mm

$ 1,366.20

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1.59Ctw Multicolor Opal, Pear Shape, Transparent

9 x 6 mm (calibrated)

$ 47.70

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3.58Ct Multicolor Opal, Pear Shape, Translucent

14.5 x 10.4 mm

$ 107.40

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1.42Ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 51.12

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0.82Ct Multicolor Chocolate Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 32.47

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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

Enjoy every moment

Posted By Ferns in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

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

Posted By CLTCJH in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoy viewing the selections. Excellent product

Posted By ToRa.62 in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy and good price

Posted By Bry_guy in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy to use website

Posted By Mel in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great site for finding specific stones and sizes for individual pieces of jewelry

Posted By Designer in December, 2025
Source: Bizrate
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