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0.70ct Natural Multicolor Opal, Oval, Opaque, Photo A

0.70ct Natural Multicolor Opal, Oval, Opaque

Opal

0.70ct1 pc
$ 25.20
9 x 7 mm (calibrated)
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0.82ct Natural Multicolor Opal, Oval, Opaque, Photo A

0.82ct Natural Multicolor Opal, Oval, Opaque

Opal

0.82ct1 pc
$ 29.52
8 x 6 mm (calibrated)
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1.50ct Natural Multicolor Opal, Pear Shape, Transparent, Photo A

1.50ct Natural Multicolor Opal, Pear Shape, Transparent

Opal

1.50ct1 pc
$ 85.14
11.3 x 7.4 mm
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0.93ctw Natural Multicolor Opal, Oval, Opaque, Photo A

0.93ctw Natural Multicolor Opal, Oval, Opaque

Opal

0.93ct total2 pcs
$ 36.83
7 x 5 mm (calibrated)
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1.32ct Natural Multicolor Opal, Oval, Opaque, Photo A

1.32ct Natural Multicolor Opal, Oval, Opaque

Opal

1.32ct1 pc
$ 47.52
9 x 7 mm (calibrated)
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2.07ctw Natural Multicolor Opal, Round, Transparent, Photo A

2.07ctw Natural Multicolor Opal, Round, Transparent

Opal

2.07ct total2 pcs
$ 61.24
7 mm (calibrated)
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0.85ctw Natural Bluish White Opal, Oval, Transparent, Photo A

0.85ctw Natural Bluish White Opal, Oval, Transparent

Opal

0.85ct total2 pcs
$ 255.00
7 x 5 mm (calibrated)
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1.95ct Natural Multicolor Opal, Oval, Opaque, Photo A

1.95ct Natural Multicolor Opal, Oval, Opaque

Opal

1.95ct1 pc
$ 70.20
11.9 x 7.5 mm
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1.51ct Natural Multicolor Opal, Oval, Transparent, Photo A

1.51ct Natural Multicolor Opal, Oval, Transparent

Opal

1.51ct1 pc
$ 70.48
10 x 8 mm (calibrated)
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1.52ctw Natural Multicolor Opal, Oval, Opaque, Photo A

1.52ctw Natural Multicolor Opal, Oval, Opaque

Opal

1.52ct total2 pcs
$ 60.19
8 x 6 mm (calibrated)
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2.29ct Natural Multicolor Opal, Oval, Transparent, Photo A

2.29ct Natural Multicolor Opal, Oval, Transparent

Opal

2.29ct1 pc
$ 69.38
11.1 x 9.4 mm
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1.35ct Natural Multicolor Opal, Oval, Opaque, Photo A

1.35ct Natural Multicolor Opal, Oval, Opaque

Opal

1.35ct1 pc
$ 48.60
10 x 8 mm (calibrated)
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17.99ct Natural Multicolor Opal, Pear Shape, Opaque, Photo A

17.99ct Natural Multicolor Opal, Pear Shape, Opaque

Opal

17.99ct1 pc
$ 64.76
27 x 20 mm (calibrated)
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2.03ctw Natural Multicolor Opal, Oval, Transparent, Photo A

2.03ctw Natural Multicolor Opal, Oval, Transparent

Opal

2.03ct total5 pcs
$ 107.18
7 x 5 mm (calibrated)
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0.45ct Natural Multicolor Opal, Pear Shape, Transparent, Photo A

0.45ct Natural Multicolor Opal, Pear Shape, Transparent

Opal

0.45ct1 pc
$ 13.50
7 x 5 mm (calibrated)
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1.03ct Natural Multicolor Opal, Oval, Transparent, Photo A

1.03ct Natural Multicolor Opal, Oval, Transparent

Opal

1.03ct1 pc
$ 30.90
10 x 7 mm (calibrated)
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1.60ct Natural Multicolor Opal, Fancy, Translucent, Photo A

1.60ct Natural Multicolor Opal, Fancy, Translucent

Opal

1.60ct1 pc
$ 53.76
10.5 x 6 mm
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0.38ct Natural Multicolor Opal, Oval, Opaque, Photo A

0.38ct Natural Multicolor Opal, Oval, Opaque

Opal

0.38ct1 pc
$ 13.68
7 x 5 mm (calibrated)
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0.72ctw Natural Multicolor Opal, Oval, Opaque, Photo A

0.72ctw Natural Multicolor Opal, Oval, Opaque

Opal

0.72ct total2 pcs
$ 28.51
7 x 5 mm (calibrated)
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5.75ctw Natural Multicolor Opal, Square, Transparent, Photo A

5.75ctw Natural Multicolor Opal, Square, Transparent

Opal

5.75ct total30 pcs
$ 49.70
4.7 x 4.7 mm
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0.66ct Natural Multicolor Opal, Pear Shape, Transparent, Photo A

0.66ct Natural Multicolor Opal, Pear Shape, Transparent

Opal

0.66ct1 pc
$ 19.80
8 x 5.4 mm
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1.05ctw Natural Multicolor Opal, Oval, Opaque, Photo A

1.05ctw Natural Multicolor Opal, Oval, Opaque

Opal

1.05ct total2 pcs
$ 41.58
7 x 5 mm (calibrated)
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1.19ct Natural Multicolor Opal, Trillion, Opaque, Photo A

1.19ct Natural Multicolor Opal, Trillion, Opaque

Opal

1.19ct1 pc
$ 47.12
8.5 x 8.1 mm
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1.72ctw Natural Multicolor Opal, Oval, Transparent, Photo A

1.72ctw Natural Multicolor Opal, Oval, Transparent

Opal

1.72ct total4 pcs
$ 82.56
7 x 5 mm (calibrated)
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2.37ctw Natural Multicolor Opal, Oval, Opaque, Photo A

2.37ctw Natural Multicolor Opal, Oval, Opaque

Opal

2.37ct total2 pcs
$ 85.32
9 x 7 mm (calibrated)
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1.09ct Natural Multicolor Opal, Oval, Transparent, Photo A

1.09ct Natural Multicolor Opal, Oval, Transparent

Opal

1.09ct1 pc
$ 57.55
9 x 7 mm (calibrated)
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0.89ctw Natural Bluish White Opal, Oval, Transparent, Photo A

0.89ctw Natural Bluish White Opal, Oval, Transparent

Opal

0.89ct total2 pcs
$ 293.70
7 x 5 mm (calibrated)
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4.61ctw Natural Multicolor Opal, Square, Transparent, Photo A

4.61ctw Natural Multicolor Opal, Square, Transparent

Opal

4.61ct total30 pcs
$ 39.43
4 x 4 mm (calibrated)
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0.41ct Natural Multicolor Opal, Oval, Opaque, Photo A

0.41ct Natural Multicolor Opal, Oval, Opaque

Opal

0.41ct1 pc
$ 14.76
7 x 5 mm (calibrated)
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1.66ct Natural Multicolor Opal, Pear Shape, Transparent, Photo A

1.66ct Natural Multicolor Opal, Pear Shape, Transparent

Opal

1.66ct1 pc
$ 79.68
11.1 x 8 mm
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2.24ct Natural Bluish White Opal, Oval, Transparent, Photo A

2.24ct Natural Bluish White Opal, Oval, Transparent

Opal

2.24ct1 pc
$ 67.87
11.3 x 8.4 mm
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1.82ctw Natural Multicolor Opal, Oval, Opaque, Photo A

1.82ctw Natural Multicolor Opal, Oval, Opaque

Opal

1.82ct total2 pcs
$ 72.07
8 x 6 mm (calibrated)
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GemSelect Certified Store Reviews

GemSelect: Over 18 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found exactly what I was looking for and ordered it. I like how you give information on the stones I'm buying. Glad I found you!

Posted By TheP in April, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Gemselect is the only seller I trust to buy star gemstones. I bought a star sapphire from them before and was pleased with the purchase. I was disappointed in a star gemstone bought from another site. So, I recommend gemselect.

Posted By Thomas M. in June, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Great experience shopping and finding what I was looking for, the only improvement I could think of would be allowing to filter more than one size at a time.

Posted By Tlicious04 in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I found what I was looking for...had to look up millimeters to inches. It would be nice to see something, like a quarter, in the pix to show relative size. I plan on buy loose gemstones for every month in the calendar

Posted By TheP in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found the website easy to work with. The gemstones are lovely.

Posted By Sophie-Tiger in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, trusted quality. What I have purchased has always been as discribed.

Posted By Sterling in November, 2024
Source: Bizrate
The name opal was probably derived from Sanskrit "upala", meaning "valuable stone". Moss opal belongs to the category of "common opal", which is opaque, rarely translucent, and typically exhibits no play of color. Precious opals display rainbow-like hues that change with the angle of observation. Moss opal is a milky white opal with unique inclusions of green hornblende in moss-like patterns. They are also often traded under marketing names, such as 'dendritic opal' or 'tree agate'. Moss opals are mostly offered as opal cabochons and are best suited for earrings, brooches, and pendants. Other types of opals that are trade with matrix or host rock (e.g., boulder opal and opal in matrix) are more durable and are better suited for rings. Even though opals are quite fragile, they are still one of the world's most popular jewelry gemstones.

There is a long standing belief in the healing power of opal. It is reported to be able to relieve depression and to help its wearer find true love.

Opal is one of the official birthstones for those born in October.
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Over 19 Years in the Gemstone Business!

Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I wish there were options for jewelry settings

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found exactly what I was looking for and ordered it. I like how you give information on the stones I'm buying. Glad I found you!

Posted By TheP in April, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Gemselect is the only seller I trust to buy star gemstones. I bought a star sapphire from them before and was pleased with the purchase. I was disappointed in a star gemstone bought from another site. So, I recommend gemselect.

Posted By Thomas M. in June, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Great experience shopping and finding what I was looking for, the only improvement I could think of would be allowing to filter more than one size at a time.

Posted By Tlicious04 in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I found what I was looking for...had to look up millimeters to inches. It would be nice to see something, like a quarter, in the pix to show relative size. I plan on buy loose gemstones for every month in the calendar

Posted By TheP in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found the website easy to work with. The gemstones are lovely.

Posted By Sophie-Tiger in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Good selection, trusted quality. What I have purchased has always been as discribed.

Posted By Sterling in November, 2024
Source: Bizrate
Enlarged Gemstone Image