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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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50.57ct Multicolor Boulder Opal, Fancy, Opaque

35.2 x 23.2 mm

$ 303.42

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0.60ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 21.60

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1.19ct Multicolor Opal, Trillion, Opaque

8.5 x 8.1 mm

$ 47.12

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6.08ct Multicolor Boulder Opal, Oval, Opaque

16.1 x 9.9 mm

$ 36.48

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0.85ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 30.60

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1.03ct Multicolor Black Opal, Pear Shape, Opaque

8.7 x 7.4 mm

$ 31.82

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1.78ct Yellow Cat's Eye Opal, Oval, Opaque

8.2 x 7.5 mm

$ 6.41

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0.48ct Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 17.28

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1.16ct Multicolor Opal, Oval, Transparent

9 x 7 mm (calibrated)

$ 43.96

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25.23ct Green Cat's Eye Opal, Baguette, Opaque

21 x 15.9 mm

$ 75.70

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1.68ct Multicolor Opal, Oval, Transparent

10.6 x 8.2 mm

$ 50.40

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4.69ct Multicolor Opal, Oval, Transparent

14.3 x 10.5 mm

$ 142.06

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2.82ct Multicolor Opal, Oval, Transparent

12.5 x 9.5 mm

$ 84.60

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2.68ct Multicolor Opal Doublet, Oval, Opaque

14 x 10 mm (calibrated)

$ 95.92

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0.52ct White Opal, Oval, Transparent

7.2 x 5.3 mm

$ 15.60

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1.69ct White Opal, Oval, Transparent

11.3 x 8.5 mm

$ 50.70

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9.41ct Multicolor Boulder Opal, Cushion, Opaque

13.7 x 10.9 mm

$ 56.46

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1.50ct Multicolor Opal, Pear Shape, Transparent

11.9 x 7.2 mm

$ 45.00

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21.69ct Multicolor Boulder Opal, Oval, Opaque

23.8 x 14.7 mm

$ 130.14

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1.47ct Multicolor Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 58.21

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1.65ct Multicolor Opal, Pear Shape, Transparent

12 x 8 mm (calibrated)

$ 93.66

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2.42ct Multicolor Black Opal, Oval, Translucent

14 x 9 mm (calibrated)

$ 72.60

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1.14ct Multicolor Opal, Oval, Translucent

9.5 x 7 mm

$ 60.19

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0.72ct Multicolor Opal, Oval, Opaque

7.7 x 5.9 mm

$ 25.92

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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

The stones are very nice.

Posted By Mvk in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All good

Posted By DouscheGift in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I think therea's no problem

Posted By Napoleon in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.

Posted By DNaber in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very good place to buy gemstones

Posted By Elansary in March, 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