Ring Stick Plastic Universal for US and European Standard Sizes (similar to #191)

SKU: 681

Measures round and baguette stones from 1/100 to 2 carats.

Gauge Micrometers

Gauge Micrometers

Diamond Tools & Supplies, Gauges

Gauge with 7 Arms, 3½”

SKU: 1019

For measuring marquise square, oval, pear, round and baguette cut stone. Measurements in carats only.

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

Ring Strip Gauge

SKU: 1792

Measures in MM and 41 - 76 European Standard.