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Presidium Gauge

Presidium Gauge

The Presidium measures gemstone dimensions with precision and accuracy.  Loose diamonds are weighed to three decimal places, and mounted diamonds are measured precisely using either a Presidium gauge, Schindler or C-Master gauge. An accepted formula will then be applied to estimate their weight to within a tolerance of five per cent of the true weight. For very small stones a Meleemeter gauge may be used.

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