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`Wt = f( L , W , D , sg("Agate"), 0 )`

Enter a value for all fields

The **Weight of a Square Cut Faceted Gem** calculator computes the approximate carat weight of a Square Cut Faceted colored stone (e.g. Ruby).

**INSTRUCTIONS:** Choose units and enter the following:

- (
**GEM**) a choice of the type of gem - (
**L**) the length of the gem - (
**W**) the width of the gem - (
**D**) the depth of the gems - (
**B**) a pad of the weight with a percentage for any central bulge

**Square Cut Faceted Gem Weight (Wt):** The calculator returns the weight in carats. However this can be automatically converted to compatible units via the pull-down menu.

The weight of a square cut faceted gem is a function the volume and the specific gravity. The volume is estimated base on the gem's shape and dimensions. The specific gravity is dictated by the type of gem. For the specific gravity of different gem, CLICK HERE.

The gems supported in this calculator include: Agate, Alexandrite, Almandite garnet, Amethyst, Andalusite, Aquamarine, Beryl, Bloodstone, Blue Topaz, Carnelian, Cats eye, Chalcedony, Chrysoberyl, Citrine, Corundum, Demantoid Garnet, Diamond, Emerald, Golden beryl, Green beryl, Kunzite, Lapis Lazuli, Morganite, Onyx, Opal, Precious topaz, Pyrope garnet, Quartz, Rhodolite garnet, Rose Quartz, Ruby, Sapphire, Sardonyx, Smokey quartz, Spessartite garnet, Spinel, Tanzanite, Topaz, Tourmaline, Tsavorite garnet, Turquoise, Yellow topaz, and Zircon

* Gem Cuts *

- Weight Estimate of a Round Faceted Gem
- Weight Estimate of a Pear shaped or Teardrop Gem
- Weight Estimate of a Cabochon Cut Gem
- Weight Estimate of a Cushion Faceted Gem
- Weight Estimate of a Heart Shaped Gem
- Weight Estimate of an Emerald Cut Faceted Gem
- Weight Estimate of a Navette Cut Gem
- Weight Estimate of Long Rectangular Cut Gem
- Weight Estimate of Square Cut Faceted Gem
- Weight Estimate of Marquise Faceted Gem
- Weight Estimate of an Oval Faceted Gem