Gem Carat Weight Calculator

Gem Carat Weight Calculator

M.Stevens

Available on Google Play
4.7(32)
1,000+ installsPaidBooks & Reference

Updated May 16, 2026 · v2.45

CompareView on Google Play
Screenshot 1
Screenshot 2
Screenshot 3
Screenshot 4
Screenshot 5
Screenshot 6
Screenshot 7
Screenshot 8
Screenshot 9
Screenshot 10
Screenshot 11
Screenshot 12
Screenshot 13
Screenshot 14
Screenshot 15
Screenshot 16
Screenshot 17
Screenshot 18
Screenshot 19
Screenshot 20
Screenshot 21
Screenshot 22
Screenshot 23
Screenshot 24

The premium grade gemstone & mineral weight calculation tool

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.

Released
May 23, 2013

13 years on Google Play

Version
2.45
Updated
May 16, 2026
Content Rating
Everyone
Installs
1,000+
Developer
M.Stevens
Website
https://www.markstevens.co.uk
Email
android@markstevens.co.uk
In-app purchases
No

This app isn't currently appearing in any tracked top charts.

Rating breakdown

5
20
4
8
3
0
2
0
1
0