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Brass Millimetre Gauge
Allows you to estimate the size of diamond without removing it from mounting. Measure girdle diameter and use the conversion booklet provided.
Size: 3½” x 1”; rectangular shape; capacity 0.01 to 4 carats.
Gauge Micrometers
For measuring diamonds and stones. Capacity 0.10 to 4 carats
For measuring marquise square, oval, pear, round and baguette cut stone. Measurements in carats only.
0.001 to 5ct
Measures in MM and 41 - 76 European Standard.
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