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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 -> 9 star ratings

I loved the selection of gemstones you have a to z

Posted By James in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Web site is very simple to navigate Selection is terrific

Posted By ToRa.62 in April, 2026
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 -> 9 star ratings

Fast snd easy to find what I was looking for

Posted By Bawb in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 2025
Source: Bizrate
Enlarged Gemstone Image