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Opal Gemstones

Discover natural opal gemstones known for their unique play-of-color and endless variety.

Black Opal
White Opal
Boulder Opal
Chocolate Opal
Fire Opal
Opal Doublet
Matrix Opal
Round Opal Gems
1-2 Carat Opal
2-5 Carat Opal
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 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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1.70ct Multicolor Opal, Pear Shape, Translucent

1.70ct Multicolor Opal, Pear Shape, Translucent

10 x 8 mm (calibrated)

$ 42.84

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1.48ct Multicolor Opal, Oval, Translucent

1.48ct Multicolor Opal, Oval, Translucent

10 x 8 mm (calibrated)

$ 78.14

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1.24ct Multicolor Opal, Oval, Translucent

1.24ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 42.72

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0.85ctw Multicolor Opal, Oval, Opaque

0.85ctw Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 33.66

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0.74ct Multicolor Chocolate Opal, Oval, Opaque

0.74ct Multicolor Chocolate Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 26.64

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1.27ct Multicolor Black Opal, Oval, Opaque

1.27ct Multicolor Black Opal, Oval, Opaque

9 x 7 mm (calibrated)

$ 50.29

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2.64ct Multicolor Opal, Oval, Transparent

2.64ct Multicolor Opal, Oval, Transparent

12 x 10 mm (calibrated)

$ 79.20

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1.65ct Multicolor Opal, Pear Shape, Transparent

1.65ct Multicolor Opal, Pear Shape, Transparent

12 x 8 mm (calibrated)

$ 93.66

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36.09ct Multicolor Boulder Opal, Oval, Opaque
Boulder Opal Product Video (321930)

36.09ct Multicolor Boulder Opal, Oval, Opaque

29.8 x 18.5 mm

$ 333.47

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12.74ct Multicolor Chocolate Opal, Oval, Opaque

12.74ct Multicolor Chocolate Opal, Oval, Opaque

18.5 x 15.1 mm

$ 382.20

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2.95ct Multicolor Boulder Opal, Pear Shape, Opaque

2.95ct Multicolor Boulder Opal, Pear Shape, Opaque

11.5 x 8.5 mm

$ 14.75

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1.99ct Multicolor Opal, Oval, Translucent

1.99ct Multicolor Opal, Oval, Translucent

10.2 x 8.6 mm

$ 60.30

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0.98ct Multicolor Opal, Oval, Translucent

0.98ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 29.21

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1.14ctw Multicolor Opal, Oval, Opaque

1.14ctw Multicolor Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 41.04

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1.56ct Multicolor Opal, Pear Shape, Translucent

1.56ct Multicolor Opal, Pear Shape, Translucent

12 x 8 mm (calibrated)

$ 55.16

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10.30ct Multicolor Boulder Opal, Oval, Opaque

10.30ct Multicolor Boulder Opal, Oval, Opaque

22.6 x 15.6 mm

$ 61.80

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1.29ct Multicolor Black Opal, Oval, Translucent

1.29ct Multicolor Black Opal, Oval, Translucent

9.6 x 7.1 mm

$ 38.70

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1.14ct Multicolor Opal, Oval, Opaque

1.14ct Multicolor Opal, Oval, Opaque

8 x 6 mm (calibrated)

$ 41.04

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7.53ct Multicolor Opal, Oval, Transparent

7.53ct Multicolor Opal, Oval, Transparent

18.3 x 14.1 mm

$ 225.90

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1.22ct Multicolor Black Opal, Pear Shape, Translucent

1.22ct Multicolor Black Opal, Pear Shape, Translucent

13 x 7.9 mm

$ 36.97

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1.59ct Multicolor Opal, Oval, Transparent

1.59ct Multicolor Opal, Oval, Transparent

10 x 8 mm (calibrated)

$ 88.15

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1.77ct Multicolor Opal, Oval, Translucent

1.77ct Multicolor Opal, Oval, Translucent

9 x 7 mm (calibrated)

$ 60.98

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8.90ct Multicolor Boulder Opal, Pear Shape, Opaque

8.90ct Multicolor Boulder Opal, Pear Shape, Opaque

21.5 x 13.3 mm

$ 44.50

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1.00ct Multicolor Opal, Trillion, Transparent

1.00ct Multicolor Opal, Trillion, Transparent

8 x 8 mm (calibrated)

$ 42.00

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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

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 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 needed a very specific color of tourmaline and Gem Select had it. I had to get the client to agree and then ordered the stone. It arrived better than pictured and we all were very happy.

Posted By Tim W in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Great website, easy to navigate, and loads quickly. Have bought here before, very pleased!

Posted By SallyO in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I am never let down by GemSelect. I love that you get the exact stone you want. Shipping is always in a few days. I have spread the word about GemSelect on social media jewelry creating groups that I attend. This sapphire is going to make one gorgeous ring

Posted By Desertchick in April, 2025
Source: Bizrate
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