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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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1.40ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 41.83

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1.09ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 32.57

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0.96ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 42.07

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2.40ctw Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 68.62

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0.62ct Orange Fire Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 16.98

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24.54ct Multicolor Opal, Pear Shape, Transparent

22.5 x 18.4 mm

$ 1,222.09

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0.80ct Multicolor Chocolate Opal, Oval, Opaque

7.3 x 5.8 mm

$ 23.90

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11.57ct Multicolor Boulder Opal, Oval, Opaque

17.3 x 12.3 mm

$ 80.67

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0.98ctw Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 32.21

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0.67ct Orange Fire Opal, Oval, Transparent

8 x 6 mm (calibrated)

$ 19.08

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1.19ct Multicolor Opal, Trillion, Opaque

8.5 x 8.1 mm

$ 39.11

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21.28ct Multicolor Boulder Opal, Fancy, Opaque

22.6 x 21.3 mm

$ 105.97

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14.17ct Green Opal, Oval, Opaque

17.2 x 13.9 mm

$ 30.34

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4.26ct Multicolor Black Opal, Round, Opaque

12 mm (calibrated)

$ 124.11

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1.39ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 45.68

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1.40ct Multicolor Black Opal, Oval, Opaque

9.9 x 7.6 mm

$ 34.86

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1.28ctw Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 38.25

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7.51ct Multicolor Black Opal, Oval, Opaque

20.7 x 11.7 mm

$ 311.67

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1.34ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 40.04

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3.01ct Multicolor Opal, Pear Shape, Transparent

14.7 x 10.4 mm

$ 134.91

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0.45ct Multicolor Opal, Pear Shape, Transparent

7 x 5 mm (calibrated)

$ 8.62

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51.22ct Multicolor Opal, Round, Opaque

32.1 mm

$ 153.04

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28.90ct Multicolor Opal, Oval, Opaque

32.9 x 21.4 mm

$ 86.35

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2.42ct Multicolor Black Opal, Oval, Translucent

12.8 x 9.5 mm

$ 60.26

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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

Very large selection from affordable to high end I will be coming back to shop again!

Posted By GreenGator in August, 2025
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 -> 10 star ratings

A pleasant experience and many choices to choose from

Posted By Krackenking in November, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Will know more once order received

Posted By Jim in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great selection of gems at a reasonable price

Posted By Curt in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Filters need to be improved but rest of website is great

Posted By Rock hound in December, 2025
Source: Bizrate
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