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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
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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0.86ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 30.96

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4.36ct Yellow Cat's Eye Opal, Oval, Opaque

12.3 x 9 mm

$ 15.70

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12.73ct Multicolor Boulder Opal, Trillion, Opaque

16 x 16 mm (calibrated)

$ 76.38

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1.02ct Multicolor Chocolate Opal, Oval, Transparent

8 x 6 mm (calibrated)

$ 36.72

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12.53ct Multicolor Boulder Opal, Oval, Opaque

17.8 x 13.7 mm

$ 75.18

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1.96ct Multicolor Opal, Oval, Transparent/Translucent

10 x 8 mm (calibrated)

$ 103.49

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0.44ct Multicolor Opal, Round, Opaque

5 mm (calibrated)

$ 14.52

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0.62ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 22.32

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1.21ct Multicolor Opal, Oval, Transparent

10 x 7 mm (calibrated)

$ 65.34

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1.10ct Multicolor Opal, Pear Shape, Transparent

11.1 x 6.6 mm

$ 33.00

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2.95ct Multicolor Opal, Oval, Transparent

14 x 9 mm (calibrated)

$ 88.50

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0.93ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 33.48

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1.46ct Multicolor Opal, Oval, Transparent

11 x 7.4 mm

$ 77.09

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0.79ct Red Fire Opal, Oval, Transparent

8.4 x 6.4 mm

$ 33.18

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0.93ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 33.48

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31.79ct Multicolor Opal, Oval, Opaque

32.3 x 21.3 mm

$ 114.44

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10.37ct Green Opal, Oval, Opaque

18 x 13 mm (calibrated)

$ 27.53

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1.53ct Multicolor Opal, Pear Shape, Transparent

12.7 x 8.3 mm

$ 70.69

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2.18ct White Opal, Oval, Transparent

11 x 9 mm (calibrated)

$ 54.50

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0.38ct Multicolor Chocolate Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 13.68

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0.70ct Multicolor Opal, Pear Shape, Translucent

7.9 x 6.6 mm

$ 23.10

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1.14ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 60.19

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0.59ct Orange Fire Opal, Oval, Transparent

8 x 6 mm (calibrated)

$ 14.02

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1.27ct Multicolor Opal, Oval, Transparent

9.4 x 7.4 mm

$ 38.10

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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

Easy to use website

Posted By Mel in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoy every moment

Posted By Ferns in October, 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 -> 10 star ratings

I loved it! Extensive inventory, great prices, I definitely will be buying from here again!

Posted By Lex in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I feel Gemselect is a trustworthy company to buy from

Posted By Becky in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good place to buy gemstones

Posted By Elansary in March, 2026
Source: Bizrate
Enlarged Gemstone Image