diamondiferous

[ dahy-muh n-dif-er-uh s, dahy-uh- ]

/ ˌdaɪ mənˈdɪf ər əs, ˌdaɪ ə- /

containing or yielding diamonds for mining.

Also diamantiferous.

Origin of diamondiferous

First recorded in 1865–70; diamond + -i- + -ferous

During 1909 various companies were formed to exploit the diamondiferous area.

Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 7 |Various
Well, of my thirty thousand tried acres, a hundred only are diamondiferous.

A Simpleton |Charles Reade
Since that epoch the exploitation has been continued by lessees of the diamondiferous grounds.

Scientific American Supplement, No. 458, October 11, 1884 |Various