The Weight of a Lozenge Faceted Cut Gem calculator computes the approximate carat weight of a Lozenge Faceted colored stone (e.g. Amethyst).
INSTRUCTIONS: Choose units and enter the following:
Lozenge Faceted Cut 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 carat weight of a Lozenge Faceted Cut Gem formula used in this calculator is:
Wt = L* W * D * sg * 0.00140
The weight of the 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 these calculators include the following:
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