Ring Strip Gauge

Battery operated and provides accurate sizing in mm and inches.

Allows you to estimate the size of diamond without removing it from mounting.
Measure girdle diameter and use the conversion booklet provided.

K&B Diamond and Stone Gauge.
Measures loose or mounted stones from 3 points to 4 carats.
Birthstone chart on reverse.

15mm Capacity; Graduations 1 to 10mm;
Throat 20mm.