Gauges
This fine 6″ steel ruler is useful for quick measurements or scribing lines and features a hole in one end for hanging and includes a handy conversion chart on the back – inches to millimeters.
Computes weight of diamond without removing stone from mounting. Width and depth are measured with caliper and compared with measurements in table. For round and fancy shapes.
Graduated in millimeters across the top and 1/32″ increments across the lower half. All graduations are deeply etched.
Length 6″ (150 mm), width 1/2″ (12.7 mm)
The holes in the gauge are used to measure stones, while the extensions are used to measure mountings. One side shows millimeters, the other side shows the corresponding carat measurements.
American standard for ordering wire and sheet sizes from 0 to 36. Decimalequivalents on the back. Imported, economical quality.
Measures in inches and millimeters. Capacity 4″ or 100 mm.
This 80mm brass gauge is identical to the German models, but less expensive.
The points are precision ground and accurate to 0.10 millimeter with a 10mm capacity. Marked on both sides.
Contains 7 blades for measuring the most popular diamond shapes: round,baguette, square, pear and marquise stones.
Folds to the size of a half-dollar. Measures round and baguette stones from 1/100 to 2 carats. Made of aluminum for long, durable service.
Speed up your diamond and gemstone measuring with the high-tech Electronic Gemstone Gauge.
Digital display eliminates eye fatigue when measuring stones over prolonged periods.