The premium grade gemstone weight calculation tool from the authors of the award-winning Crystal Guide Pocket Edition app. Gem Carat Weight Calculator allows fast, accurate weight calculations to be performed by using a few simple measurements. By combining industry standard formulae with our comprehensive array of gemstones and facets/cuts data, we are able to bring you an app that performs accurate calculations efficiently, right in your pocket! In addition to calculating weights, the app also has a thorough A-Z list of browsable gem data (300+ profiles, each with it's own image and geological profile), including the ability to directly compare gem profiles.
✔ Calculates gemstone carat weight, gram weight and tolerance value ranges.
✔ Contains 300+ gemstones and over 60 facet/cut types.
✔ Browsable A-Z list of crystals, gemstones and minerals, each with its own image and complete geological profile.
✔ Geological reference charts.
✔ Directly compare gemstone profiles.
✔ Full history of calculations for fast consults.
✔ Free database / profile updates.
✔ Supports both phones and tablets.
✔ Supports App2SD and Move To SD (android 2.2+).
✔ No ads, no intrusive permissions, just a clean fast gem weight calculator app.
Ideal for jewellers, pawnbrokers, gem stone and mineral collectors, gem dealers, geologists and rock hounds alike.