noun, noun which may take the genitive case particle 'no'
diamond pattern; diamond-patterned
Refers to a diamond-shaped geometric pattern, often on fabric, wallpaper, or other surfaces. Can be used as a noun or as a no-adjective to describe something with that pattern.
彼女はダイヤ柄のスカートをはいていた。
She was wearing a diamond-patterned skirt.
この壁紙はダイヤ柄が入っている。
This wallpaper has a diamond pattern.