Gauge Ring Wide-Band Flat 6mm

SKU: 1244

With measurements in mm and inches.

Gauge for Weighing Diamond with Book

SKU: 180

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

Gauge Vernier 5” – Metal

SKU: 186

Nickel plated steel with roller adjustment. One edge is graduated in inches reading ½” in ½” in 1/16” divisions and other edge in metric scale from 0 to 120mm in 1mm divisions.

Metal Pocket Birthstone Gauge

SKU: 680

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

Diamond Tools & Supplies, Gauges

Oval Gauge for Stones

SKU: 765

Width: 55 mm; capacity 0.01 to 4 carats; total 17 sizes. Tiny pocket-sized will help you determine size of round shaped stones.

Diamond Tools & Supplies, Gauges

Pearl Gauge

SKU: 905

Elegant precision engineered dial gauge for accurate measurement of pearls and other small stones. Dial features zero adjust and accuracy 0.01mm

Pearl Gauge Set of 6

SKU: 3053

0.001 to 5ct

Precision Micrometer 0 to 25mm

SKU: 781

Carbide tipped measuring faces parallel, ground and lapped. Stainless steel spindle for rust prevention, heat resistant grips and calibration is laser etched.