I have set a 7 mm x 13 mm dark blue Tourmaline into a fine silver setting.

The pendant measures 1" by 0.5" and hangs from a sterling silver chain.
 
 
Please be aware that the size of jewelry in photographs can be deceptive so be sure to read the measurements carefully before you purchase.
 
 
I design and make all of my jewelry in my home studio in Texas.
 
For updates on new jewelry follow me on Instagram
 
https://www.intstagram.com/coldfeetstudio