Gem Carat Weight Calculator

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 taking a few simple measurements for diamonds, sapphires, emeralds and 450+ other crystals.  By combining industry accepted formulae with our comprehensive, proprietary gemstone and facet / cut data, we are able to bring you an app that performs accurate calculations efficiently, right from your pocket!  In addition to calculating weights, the app also has a thorough A-Z list of browsable gem data (450+ profiles), including the ability to directly compare them.


FEATURES:

✪   Accurately calculates gemstone carat weight, gram weight and tolerance value ranges.
✪   Contains 450+ 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.
✪   Glossary of mineralogical terms and definitions.
✪   Reference charts.
✪   Directly compare gemstone profiles.
✪   Unit conversion tool.
✪   Full history of calculations for fast consults.
✪   Per calculation personal notes facility.
✪   Free lifetime updates - as we expand our database and add more content, it's all yours at no extra cost.
✪   Completely ad free, with no subscriptions or in-app payments to worry about.


◼️   Language is English only.

Our licensing policy can be found at www.markstevens.co.uk/licensing

We support our apps. If you run in to a problem, please drop us an email rather than a Play Store comment, and we can work with you directly to resolve the issue.  Alternatively, visit our website at www.markstevens.co.uk where we have a support forum, articles and FAQ's.