- Comprising of 18 conical gem guages
- Each hardened steel with blue plastic handles
- Marked in mm 1 to 5
- Carat points 1/2 to 50 for checking the size of the stone seat
- (Carat point) sizes include:
1.00mm (1/2), 1.38mm (1), 1.63mm (2), 2.00mm(3), 2.13mm (4), 2.25mm
( 5), 2.38mm (6), 2.50mm (7), 2.63mm(8), 2.75mm(9), 2.88mm (10), 3.00mm
(11), 3.13mm (12), 3.38mm (15), 3.50mm (17), 3.88mm(20), 4.00mm(25), 5.00mm(50)
Stone gauge with 18 holes marked in both points and millimetres (1/2 50 points 1-5mm).
The unit consists of 18 gauges in the sizes for measuring the cut for the stone to sit in.
Setting burrs (ref: 119257 and size) with a 90 degree angle are available for cutting
a perfect seat corresponding to the measured size of the gem setting gauge.
