Computerised gemstone gauge (presid PGCG) 20x & 30x) Stones must be at least

Stones must be at least 2 points in size

this means it will comfortably hold a stack of four pound coins (or 5 sovereigns) - or jewellery / gemstone / mineral of a similar size

jpg images stored on the card

if a simple (thermal conductivity) diamond tester says the stone might be diamond or Moissanite (you won't know which

Computerised gemstone gauge (presid PGCG) 20x & 30x) Stones must be at leastSummary AS A GEM GAUGE You might think to yourself: rather than measure a stone, look up charts and formulae, then use a calculator to work out the weight can't this all be done automatically, with a computer built into the gauge?? The answer is yes. Select the stone on the display, measure it, the weight will be displayed. This is the top model of gauge from the best manufacturers of electronic gem testing equipment. AS A GEM TESTER Weigh the stone