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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
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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1.18ctw Multicolor Opal, Oval, Opaque

7.3 x 5.7 mm

$ 38.79

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1.59ct Multicolor Opal, Oval, Translucent

9.3 x 7.4 mm

$ 39.59

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0.50ct Multicolor Opal, Oval, Opaque

7 x 5.2 mm

$ 14.94

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1.85ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 60.81

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0.93ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 27.79

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1.41ct Multicolor Opal, Oval, Transparent

11.3 x 7.9 mm

$ 64.88

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12.20ct Multicolor Black Opal, Oval, Opaque

29.5 x 17.5 mm

$ 506.30

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1.10ct Multicolor Opal, Round, Translucent

7 mm (calibrated)

$ 27.01

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2.36ct Multicolor Opal, Fancy, Translucent

14 x 9 mm (calibrated)

$ 65.82

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1.34ct Multicolor Opal, Oval, Translucent

9.7 x 7.6 mm

$ 61.66

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0.55ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 16.43

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6.46ct Multicolor Black Opal, Oval, Opaque

16 x 12 mm (calibrated)

$ 193.02

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0.78ctw Multicolor Opal, Oval, Transparent

6 x 4 mm (calibrated)

$ 194.22

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11.06ct Multicolor Black Opal, Round, Opaque

15 mm (calibrated)

$ 458.99

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3.00ct Multicolor Opal, Trillion, Translucent

12 x 11 mm

$ 66.28

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0.49ct Multicolor Opal, Fancy, Translucent

8.4 x 5.8 mm

$ 11.39

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1.09ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 32.57

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2.74ct Multicolor Black Opal, Oval, Transparent

11.7 x 8.8 mm

$ 90.97

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1.38ct Multicolor Opal, Oval, Transparent

9 x 7 mm (calibrated)

$ 34.50

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0.82ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 24.50

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21.20ct Multicolor Boulder Opal, Pear Shape, Opaque

25 x 18 mm (calibrated)

$ 162.59

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1.21ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 36.15

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12.50ct Multicolor Boulder Opal, Oval, Translucent

22.8 x 11.5 mm

$ 87.15

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1.14ct Multicolor Opal, Oval, Translucent

9.5 x 7 mm

$ 49.96

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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

Great! Affordable

Posted By Spinellope in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Wonderful purchase, can't wait to see the stone.

Posted By Tim in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Good. I ts very user friendly.

Posted By Shalini in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.

Posted By Bob D in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I had a very easy time navigating the web page and using filters to find what I was looking for. The varied selection was nice to see and pricing is clear and fair.

Posted By Mattick in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I can pick and choose from large selection and find just what I need for .y projects, currently my cane.

Posted By Darkstar731 in July, 2025
Source: Bizrate
Enlarged Gemstone Image