Jo-Di Diamond Gauge W/Book Soldering Equipment Manufactured from 420 stainless steel

Manufactured from 420 stainless steel

and gemologists need quick access to—without hunting through multiple volumes

cutting performance

5 mm round center stone (1-1/2 carat)

Jo-Di Diamond Gauge W/Book Soldering Equipment Manufactured from 420 stainless steelThe Jo Di Diamond Gauge with Book allows professional jewelers to accurately estimate the estimated weight of a diamond without removing the stone from its mounting. Using measured width and depth values referenced against the included book, this gauge supports calculations for both round and fancy diamond shapes making it an efficient tool for appraisers, bench jewelers, and estate jewelry professionals who need reliable weight estimates without the