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`Wt = f( L , W , D ,"Thin-Medium")`

Enter a value for all fields

The **Round Brilliant Diamond Weight** calculator computes the approximate weight of a round brilliant shaped diamond based on the average diameter (vertical and horizontal can be entered in case the diamond face isn't precisely circular), depth and girdle thickness factor.

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

- (
**L**) Vertical Length: This is one measurement across the face of the Round Brilliant diamond. - (
**W**) Horizontal Width: This is a perpendicular measurement from the vertical length and can differ in case the diamond is not symmetrical. - (
**D**) Depth: This is the depth of the diamond - (
**T**) Girdle Thickness Factor: This is a factor of the girdle (middle) of the diamond. Uses the pull-down menu to select the appropriate girdle factor.

**Carat Weight (Wt):** The calculator returns weight of the diamond in carats. However, this can be automatically converted to other weight units (e.g. grams) via the pull-down menu.

The Diamond Weight formulas contains carat weight equations that are specific to diamonds and diamond cuts including the following:* common gem cuts *

- Compute the carat weight of a Round Brilliant diamond
- Compute the carat weight of a Oval Brilliant diamond
- Compute the carat weight of a Heart Shaped diamond
- Compute the carat weight of a Emerald Cut diamond
- Compute the carat weight of a Baguette diamond
- Compute the carat weight of a Princess Cut diamond
- Compute the carat weight of a Triangular Brilliant diamond
- Compute the carat weight of a Marquise Brilliant diamond
- Compute the carat weight of a Pear Shaped Brilliant (Teardrop) diamond
- Compute the carat weight of a Tapered Baguette diamond,
- Compute the carat weight of an Old European cut diamond.
- Compute the carat weight of a Cushion diamond,