Birthstone & Diamond Gauge

Metal Pocket Birthstone Gauge

• The purpose of this tool is to measure loose or mounted stones from 3 points to 4 carats
• Excellent for jewellers and silversmiths to add to your tool kit
• K&B diamond and stone gauge
• Birthstone chart on reverse to determine the best size for your project
• Size: 93mm x 70mm, a great size to keep at hand