"Twist" edged small detail hugs this Bombay Sapphire gin bottle glass ring. 
Adjustable sterling silver band and quite funky with a bit of height. 
This ring fits a slimmer finger.  
Size range is from Min. 6.5 -17mm-L to Max 8.5 - 18.5mm-P  to give you and idea. 
Measures approx 12mm in diameter.