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Home Gemstones Opal

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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1.34ct Multicolor Black Opal, Oval, Translucent

9.7 x 7.4 mm

$ 33.37

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11.57ct Multicolor Boulder Opal, Oval, Opaque

17.3 x 12.3 mm

$ 80.67

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1.48ct Multicolor Opal, Oval, Translucent

9.6 x 7.7 mm

$ 36.85

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1.76ct Multicolor Opal, Pear Shape, Translucent

10 x 8 mm (calibrated)

$ 36.81

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0.70ct Orange Fire Opal, Oval, Transparent

8 x 6 mm (calibrated)

$ 19.94

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5.66ct Multicolor Black Opal, Sphere / Ball, Opaque

11 mm (calibrated)

$ 169.12

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1.47ct Multicolor Opal, Oval, Transparent

10 x 8 mm (calibrated)

$ 61.49

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0.52ct Multicolor Opal, Oval, Transparent

6.7 x 4.8 mm

$ 12.95

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8.56ct Multicolor Chocolate Opal, Pear Shape, Transparent

25.3 x 11.9 mm

$ 213.14

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0.76ct Multicolor Opal, Pear Shape, Transparent

8 x 6 mm (calibrated)

$ 18.92

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12.73ct Multicolor Boulder Opal, Trillion, Opaque

16 x 16 mm (calibrated)

$ 63.40

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0.48ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 14.34

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1.94ct Multicolor Black Opal, Marquise, Translucent

14.7 x 7 mm

$ 49.01

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1.53ct Multicolor Opal, Oval, Transparent

10.1 x 7.6 mm

$ 70.41

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24.99ct Multicolor Opal, Oval, Opaque

31 x 20.1 mm

$ 74.67

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0.51ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 15.24

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0.39ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 11.65

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1.78ct Multicolor Opal, Marquise, Opaque

12.1 x 6 mm

$ 62.05

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0.85ct Red Fire Opal, Oval, Translucent

7.3 x 6.2 mm

$ 29.77

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0.72ct Orange Fire Opal, Oval, Translucent

8.2 x 6.3 mm

$ 19.72

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0.91ct Multicolor Opal, Fancy, Translucent

8.9 x 7.4 mm

$ 25.38

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9.45ct Multicolor Boulder Opal, Fancy, Opaque

23.9 x 9.5 mm

$ 47.06

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1.60ct Multicolor Opal, Pear Shape, Transparent

10 x 7 mm (calibrated)

$ 33.47

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1.99ct Multicolor Opal, Oval, Translucent

10.2 x 8.6 mm

$ 50.05

View Gem

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 process.

Posted By Crafty Seabee in March, 2026
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

Good. I ts very user friendly.

Posted By Shalini in June, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Easy to use. Many options to find the right gemstone

Posted By Liz in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

It's always a pleasure doing business with Gem Select. Outstanding products ant very reasonable prices. Thank You One and All.

Posted By G.W. or Bakyow in July, 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
Enlarged Gemstone Image