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Home Gemstones 20 mm Round Gemstones

20 mm Round Gemstones: Topaz, Opals, Garnets, Sapphires, Rubies, Calibrated 20 mm Round Gems

20 mm Round Gemstones Weight
20 mm Round Gemstones Size
20 mm Round Gemstones Clarity
20 mm Round Gemstones Price

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Violet 20 mm Round Gemstones
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24.79ct Violet Amethyst, Round, VVS-VS

20 mm (calibrated)

$ 172.84

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26.75ct Violet Amethyst, Round, VVS

20 mm (calibrated)

$ 186.50

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26.00ct Violet Amethyst, Round, VVS

20 mm (calibrated)

$ 181.27

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26.75ct Violet Amethyst, Round, VVS

20 mm (calibrated)

$ 186.50

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24.86ct Violet Amethyst, Round, VVS

20 mm (calibrated)

$ 173.32

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25.64ct Violet Amethyst, Round, VVS-VS

20 mm (calibrated)

$ 178.77

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33.02ct Gray Hematite, Round, Opaque

20 mm (calibrated)

$ 32.20

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23.89ct Green Agate, Round, Translucent

20 mm (calibrated)

$ 19.11

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26.13ct Violet Amethyst, Round, VVS

20 mm (calibrated)

$ 182.18

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25.07ct Violet Amethyst, Round, VVS

20 mm (calibrated)

$ 174.79

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26.25ctw Multicolor Labradorite, Round, Translucent

20 mm (calibrated)

$ 57.52

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23.25ct Violet Amethyst, Round, VVS

20 mm (calibrated)

$ 185.26

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65.53ctw Gray Hematite, Round, Opaque

20 mm (calibrated)

$ 63.89

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25.83ct Violet Amethyst, Round, VVS

20 mm (calibrated)

$ 180.09

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26.80ct Violet Amethyst, Round, VVS

20 mm (calibrated)

$ 186.85

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22.99ct Violet Amethyst, Round, VVS

20 mm (calibrated)

$ 160.29

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25.45ct Violet Amethyst, Round, VVS

20 mm (calibrated)

$ 177.44

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25.42ctw Multicolor Labradorite, Round, Translucent

20 mm (calibrated)

$ 55.69

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25.78ctw Multicolor Labradorite, Round, Translucent

20 mm (calibrated)

$ 56.49

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26.41ct Violet Amethyst, Round, VVS

20 mm (calibrated)

$ 184.13

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23.77ct Violet Amethyst, Round, VVS

20 mm (calibrated)

$ 165.73

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26.15ct Violet Amethyst, Round, VVS

20 mm (calibrated)

$ 182.32

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17.64ct White Howlite, Round, Opaque

20 mm (calibrated)

$ 8.26

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33.27ct Gray Hematite, Round, Opaque

20 mm (calibrated)

$ 30.63

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Why Buy 20 Mm Round Gemstones 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

Enjoy every moment

Posted By Ferns in October, 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 -> 10 star ratings

My whole experience is great.

Posted By Ghs in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have been very happy with my prior purchases and enjoy the website experience.

Posted By Trouble in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The website has a good selection, the interface is very intuitive.

Posted By PhoenixFeatherJewelry in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

The website was very easy to use.

Posted By Garnet in January, 2026
Source: Bizrate
Enlarged Gemstone Image