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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
Yellow Opal
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
Gray
Green Opal
Multicolor Opal
Orange Opal
Pink
Purple
Red Opal
Turquoise
Violet
White Opal
Yellow Opal
Single
Pairs
Lots
Faceted
Cabochons
Clear All
4.59ct Multicolor Black Opal, Oval, Opaque

4.59ct Multicolor Black Opal, Oval, Opaque

16.8 x 12.7 mm

$ 165.24

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0.97ct Multicolor Black Opal, Emerald Cut, Opaque

0.97ct Multicolor Black Opal, Emerald Cut, Opaque

8.5 x 6.2 mm

$ 29.96

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1.43ct Multicolor Black Opal, Oval, Translucent

1.43ct Multicolor Black Opal, Oval, Translucent

9.4 x 7.3 mm

$ 42.90

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1.21ct Multicolor Opal, Oval, Transparent/Translucent

1.21ct Multicolor Opal, Oval, Transparent/Translucent

9.4 x 6.6 mm

$ 63.89

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1.26ct Multicolor Opal, Trillion, Transparent

1.26ct Multicolor Opal, Trillion, Transparent

8 x 8 mm (calibrated)

$ 38.81

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0.67ct Brown Chocolate Opal, Oval, Opaque

0.67ct Brown Chocolate Opal, Oval, Opaque

7 x 5 mm (calibrated)

$ 24.12

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2.53ct Multicolor Opal, Cushion, Transparent

2.53ct Multicolor Opal, Cushion, Transparent

9.8 x 9.1 mm

$ 76.63

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8.15ct Multicolor Opal Doublet, Oval, Opaque

8.15ct Multicolor Opal Doublet, Oval, Opaque

20 x 15 mm (calibrated)

$ 291.69

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11.03ct Multicolor Boulder Opal, Pear Shape, Opaque

11.03ct Multicolor Boulder Opal, Pear Shape, Opaque

22.7 x 12.8 mm

$ 92.65

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1.43ct Multicolor Opal, Pear Shape, Transparent

1.43ct Multicolor Opal, Pear Shape, Transparent

10 x 7 mm (calibrated)

$ 37.80

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0.42ct Multicolor Opal, Oval, Opaque

0.42ct Multicolor Opal, Oval, Opaque

7.1 x 5.2 mm

$ 15.12

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1.54ct Multicolor Opal, Oval, Transparent

1.54ct Multicolor Opal, Oval, Transparent

9 x 7 mm (calibrated)

$ 55.44

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3.74ct Multicolor Black Opal, Trillion, Opaque

3.74ct Multicolor Black Opal, Trillion, Opaque

14 x 14 mm (calibrated)

$ 134.64

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26.71ct Multicolor Opal, Round, Opaque
Opal Product Video (744020)

26.71ct Multicolor Opal, Round, Opaque

22.5 mm

$ 1,602.60

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1.73ct Multicolor Opal, Pear Shape, Transparent

1.73ct Multicolor Opal, Pear Shape, Transparent

12 x 8 mm (calibrated)

$ 98.20

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1.03ct Multicolor Opal, Round, Translucent

1.03ct Multicolor Opal, Round, Translucent

7 mm (calibrated)

$ 28.98

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4.06ct Multicolor Black Opal, Trillion, Opaque

4.06ct Multicolor Black Opal, Trillion, Opaque

13.7 x 13.1 mm

$ 146.16

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2.80ct Yellow Cat's Eye Opal, Oval, Opaque

2.80ct Yellow Cat's Eye Opal, Oval, Opaque

10.4 x 8.4 mm

$ 10.08

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2.14ct Multicolor Opal, Fancy, Translucent

2.14ct Multicolor Opal, Fancy, Translucent

14.5 x 7.8 mm

$ 71.90

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5.44ct Multicolor Boulder Opal, Fancy, Opaque

5.44ct Multicolor Boulder Opal, Fancy, Opaque

15 x 9.3 mm

$ 27.20

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0.65ct Multicolor Opal, Pear Shape, Transparent

0.65ct Multicolor Opal, Pear Shape, Transparent

8 x 5 mm (calibrated)

$ 19.50

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9.03ct Green Opal, Pear Shape, Opaque

9.03ct Green Opal, Pear Shape, Opaque

16.3 x 14.9 mm

$ 23.29

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0.81ct Multicolor Chocolate Opal, Oval, Translucent

0.81ct Multicolor Chocolate Opal, Oval, Translucent

8 x 6 mm (calibrated)

$ 29.16

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0.90ct Multicolor Opal, Fancy, Translucent

0.90ct Multicolor Opal, Fancy, Translucent

10 x 7 mm (calibrated)

$ 30.24

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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

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

The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.

Posted By Jen in December, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.

Posted By Atsu in December, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Very easy to navigate with a great selection.

Posted By Bar181 in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I loved it! Extensive inventory, great prices, I definitely will be buying from here again!

Posted By Lex in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Had a great experience and the prices are great

Posted By BuBx99 in November, 2025
Source: Bizrate
→ View All GemSelect Reviews on Bizrate
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