gemmy

adjective3

1. •
   Full of, or covered in, gems.

   • The gemmy bridle glittered free, / Like to some branch of stars we see / Hung in the golden galaxy. — 1832
2. •
   Bright and glittering, as though studded with gems.

   • His mildly vivid dewy beam Of beryl to diffuse: the gleam With elf-light tiniest figures lit Of shapely moon-fair elves who sit Each on a gemmy blade's curled tip In circle. — 1863
3. •
   (informal, old-fashioned) Spruce; smart; jemmy.