Also Shown (sold separately)

Sizing Notes
Small: internal diameter 5.5 – 5.7cm / 2.17″ – 2.24″, internal circumference 16cm / 6.29″
Medium: internal diameter 5.8 – 6 cm / 2.28″ – 2.36″ , internal circumference 17 -17.3cm / 6.69″-6.81″ *Doublet stones are 8mm in diameter.