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New Gems: Natural Certified Loose Gemstones | GemSelect

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1.50ct Multicolor Black Opal, Marquise, Opaque

13.9 x 5.8 mm

$ 37.90

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2.17ct Multicolor Black Opal, Marquise, Translucent

18.3 x 6.3 mm

$ 54.82

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1.29ct Multicolor Black Opal, Marquise, Translucent

14 x 7 mm (calibrated)

$ 32.59

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1.58ct Multicolor Black Opal, Marquise, Translucent

13.7 x 6 mm

$ 39.92

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0.56ct Multicolor Black Opal, Marquise, Translucent

10 x 5 mm (calibrated)

$ 14.15

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1.44ct Multicolor Black Opal, Marquise, Opaque

13.7 x 6 mm

$ 36.38

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3.69ct Multicolor Black Opal, Marquise, Opaque

23.2 x 8.5 mm

$ 93.23

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1.16ct Multicolor Black Opal, Marquise, Translucent

15.9 x 5.3 mm

$ 29.31

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2.28ct Multicolor Black Opal, Marquise, Translucent

18.6 x 6.9 mm

$ 57.60

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1.00ct Multicolor Black Opal, Marquise, Translucent

12 x 5.6 mm

$ 25.27

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Why Buy New Gems from GemSelect?

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 site provided lots of detail, factual data, and good photos. I also like the availability of searching by price range as well as by the type of stone.

Posted By SLIntuitive Donna 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

Overall Rating -> 10 star ratings

On the clarity options it goes "and better" so if youre looking for si specifically and you click si and better it still shows you basically everything. It just removes the opaques. Itd be nice if it was vs only, vss only, si only, etc

Posted By Iamnotakrustykrab in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well

Posted By Marti in July, 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

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
Enlarged Gemstone Image