Standard Jewellery

All jewellery in this collection is of medical/implant grade titanium ASTM F-136, internal thread and suitable for implant in new piercings.  The cost of this standard jewellery is in addition to the piercing service price at Isha Studio.  To book an appointment, please click here.
Size Chart


Gauge (G) / Post Thickness


Length / Internal Diameter

1mm = 18G 3.1mm = 1/8"
1.2mm = 16G 3.9mm = 5/32"
1.6mm = 14G 4.7mm =3/16"
2.0mm = 12G 5.5mm = 7/32"
2.4mm = 10G 6.4mm = 1/4"
3.2mm = 8G 7.1mm = 9/32"
4mm = 6G 7.9mm = 5/16"
5mm = 4G 8.7mm = 11/32"
6mm = 2G 9.5mm = 3/8"
8mm = 0G 11.1mm = 7/16"
10mm = 00G 12.7mm = 1/2"
12mm = 1/2" 14.2mm = 9/16"
14mm = 9/16" 15.8mm = 5/8"
16mm = 5/8" 17.4mm = 11/16"
18mm = 11/16" 19mm = 3/4"
20mm = 13/16" 20.6mm = 13/16"
22mm = 7/8" 22.2mm= 7/8"
See how and where to apply these measurements on our handy pictorial guide.