Diamon is a distinctive girls' name in United States, ranking #8473 in 2005 with 13 recorded births. The name reached its all-time peak in 2000 with 38 births ranking #3469. Since 1996, the popularity has decreased by 60.6%. In 2005, approximately 1 in every 142,131 girls born was named Diamon. FALLING Recent data shows the name is currently falling.