EYE-CATCHING AND SPARKLING The Montana ring is a real eye-catcher with its 7.5 mm baguette zirconia diamond stones. SIZE GUIDE: To find your right size, it is important to measure the circumference of your finger. To do this, measure it at the point where you want to wear your new ring and at the finger joint. The sizes correspond to the number of millimeters of your circumference, as well as the corresponding US size written in brackets. Material: 18k premium gold plating, alloy