Finished Measurements
About 7-inches from the tip of the toe to the top of the hat.
About 5-inches when seated from the bottom of the body to the top of the hat.

Yarn
Wisconsin Woolen Spun Fingering Weight by Barrett Wool Co., 100% American Wool; 450 yards/411 meters per 100 grams, small amounts of each color are used as follows.

Yarn Colorways used in the sample in the photographs: 
Hat, mittens and boots: Jam (red)
Body, arms and legs: Blue Spruce (teal)
Face and nose: Blushing (hint of pink)
Beard: Birch (creamy white)

Weight in grams: The finished Gnome weighs 11.17grams in total including the stuffing.

Needles
US size 3 / 3.25 mm set of double-pointed needles for the Gnome
US size 4 / 3.5 mm set of double-pointed needles for the Hat

Or the size needle to obtain gauge.

Gauge
7 stitches per inch on the US size 3 / 3.25mm for the Gnome
6.5 stitches per inch on the US size 4 / 3.5mm for the Hat

Materials
Locking stitch markers
Fiberfill
Yarn needle