Diamond was first called "Center," changing its name in 1883 when
the village acquired its first post office. Frank Whitwell was the first
postmaster.
Diamond is situated in the northern part of Newton Co., near the center east
and west. It is on the prairie just on the east side of "Round
Grove". The town began with the log home of Dr. And Mrs. Leathers
and on the west; where there was a patch of timber know as Round Grove.
The first blacksmith shop was started by F.B. Whitwell, in November 1878.
I.S. Stogsdill started a small grocery and secured a post office in March
1883.
John T. McElhany opened up a stock of General Merchandise in 1884.
Dr. Filler opened up a Drug store in May 1892.
W.W. Parr opened a Harness and Repair Shop in 1891
Martin Beyer, started a Feed and Meal Mill in 1893
A number of events helped to establish the town of Diamond. In September
1891 a wind pump was put up to send water to different parts of town.
Buildings began to be wired for electric lights in July 1913, but electric
didn't come to Diamond until 1918.
Diamond became a 4th Class city on December 15, 1949.