Diamon is a distinctive girls' name in United States, ranking #3949 in 1998 with 29 recorded births. The name reached its all-time peak in 2000 with 38 births ranking #3469. Since 1996, the popularity has decreased by 12.1%. In 1998, approximately 1 in every 60,927 girls born was named Diamon. FALLING Recent data shows the name is currently falling.