Code Size 9Y 9W 9R 14Y 14W 18Y 18W S/S RG
SPSQ25
2.5 -.075pt
SPSQ27
2.7 – .12pt
SPSQ3
3.0 – .15pt
SPSQ35
3.5 – .25pt
SPSQ46
4.6 – .50pt
SPSQ57
5.7 – 1 carat