Onyx Tunnels

$ 15.00

  • Quantity: 1 pair (2 pieces) 
  • Style: Round cut tunnel, 2 sides concave 
  • Material: Black Onyx 
  • Flare: Double flare (saddle) 
  • Available sizes: 8mm-50mm 
  • Size: Size ordered is wearable area +/- 1mm, flares will be 1-2mm larger than size ordered 
  • Width: 13mm 
  • Beautiful black onyx tunnels available in many different sizes 

This beautiful black stone is completely smooth and has a look similar look to black glass. It is a common variety of chalcedony. Naturally occurring onyx is banded, these have been heat-treated to obtain a solid black appearance. Onyx is a common variety of chalcedony – microcrystalline type of quartz. 

The silky look of the black tunnels gives these an upscale look at an affordable cost. Reviews share that these tunnels are comfortable when worn and a great option for non-metal tunnels.

The black color makes these a neutral option to wear in a professional setting such as work or school and allows them to be worn with anything. The onyx tunnels are a perfect staple item!  

*Natural stones will vary in color and pattern, the pair you receive may not look exactly like the photo. Please see the additional photo that shows some variation ranges amongst the available sizes.


0g (8mm): 1.5 grams (less than 1 U.S. penny)
00g (10mm): 2.5 grams (aprox. 1 U.S. penny)
1/2" (12mm): 3.0 grams (aprox. 1 U.S. penny)
9/16" (14mm): 4.3 grams (aprox. 2 U.S. pennies)
5/8" (16mm): 5.0 grams (aprox. 2 U.S. pennies)
3/4" (19mm): 6.0 grams (aprox. 2.5 U.S. pennies)
7/8" (22mm): 10.6 grams (aprox. 4 U.S. pennies)
1" (25mm): 12.4 grams (aprox. 5 U.S. pennies)
1-1/8" (28mm): 13.3 grams (aprox. 5 U.S. pennies)
1-1/4" (32mm): 17.4 grams (aprox. 7 U.S. pennies)
1-3/8" (35mm): 24.4 grams (aprox. 10 U.S. pennies)
1-1/2" (38mm): 26.2 grams (aprox. 11 U.S. pennies)
1-9/16" (40mm): 29.0 grams (aprox. 12 U.S. pennies)
1-3/4" (44mm): 34.8 grams (aprox. 14 U.S. pennies)
1-7/8" (47mm): 39.3 grams (aprox. 16 U.S. pennies)
2" (50mm): 41.2 grams (aprox. 17 U.S. pennies)