Loose Onyx Gemstones for Sale - Items in Stock and ready to Ship |...

Onyx is the black form of chalcedony, a cryptocrystalline form of quartz. Onyx naturally occurs in bands of black and white, and is typically dyed to produce the familiar jet black cabochons.

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My first order. I am anxious to see if what I ordered is what I receive.

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I feel pretty good so far, pending the delivery of the item ordered.

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I have used gm select a while ago and was always pleased with the products

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Overall Rating -> 10

I purchase all of my stones from GemSelect! They're the best I've found for both selection and value.

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Gemstones A-Z

Buy Onyx Gemstones

1.23 ct Round Onyx, 5.6 mm From Sri Lanka

4.66 ct Cushion Onyx, 10.9 x 10.9 mm From Sri Lanka

8.07 ct Oval Onyx, 13 x 11.1 mm From Sri Lanka

8.57 ct Heart Rose Cut Onyx, 10.4 x 10.4 mm From Sri Lanka

20.01 carat Pear Shape Onyx, loose Certified Onyx from Sri Lanka, Natural Gem, 24.8 x 15 mm

8.71 ct Heart Rose Cut Onyx, 10.5 x 10.4 mm From Sri Lanka

2.1 ct Round Onyx, 5.5 mm From Sri Lanka

5.43 ct Oval Onyx, 13 x 11 mm From Sri Lanka

3.11 ct Round Onyx, 7 mm From Sri Lanka

1.78 ct Round Onyx, 5.5 mm From Sri Lanka

4.22 ct Oval Onyx, 13 x 11.1 mm From Sri Lanka

8.41 ct Heart Onyx, 10.1 x 10 mm From Sri Lanka

2.17 ct Round Onyx, 5.5 mm From Sri Lanka

8.79 ct Heart Rose Cut Onyx, 10.5 x 10.4 mm From Sri Lanka

17.9 ct Oval Onyx, 21.8 x 15.8 mm From Sri Lanka

2.96 ct Round Onyx, 7.2 mm From Sri Lanka

8.57 ct Heart Rose Cut Onyx, 10.5 x 10.3 mm From Sri Lanka

1.99 ct Round Onyx, 5.5 mm From Sri Lanka

2.26 ct Round Onyx, 5.5 mm From Sri Lanka

10.74 carat Pear Onyx, loose Certified Onyx from Sri Lanka, Natural Gem, 19.1 x 14.5 mm

8.67 ct Heart Onyx, 10.2 x 10.2 mm From Sri Lanka

28.87 ct Oval Rose Cut Onyx, 27.2 x 20.3 mm From Sri Lanka

8.18 ct Oval Onyx, 13.1 x 11.1 mm From Sri Lanka

2.9 ct Round Onyx, 7 mm From Sri Lanka

2.24 ct Round Onyx, 5.6 mm From Sri Lanka

1.37 ct Round Onyx, 7 mm From Sri Lanka

19.42 ct Oval Onyx, 25 x 18.1 mm From Sri Lanka

12.32 ct Oval Onyx, 18.2 x 13.3 mm From Sri Lanka

2.93 ct Round Onyx, 7 mm From Sri Lanka

2.48 ct Round Onyx, 6.3 mm From Sri Lanka

9.88 ct Cushion Onyx, 11 x 10.9 mm From Sri Lanka

32.3 ct Round Rose Cut Onyx, 25.6 mm From Sri Lanka

Gemstone Information

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