Diamon is a distinctive girls' name in United States, ranking #17586 in 2012 with 5 recorded births. This places Diamon in the bottom 10% of ranked US girls' names for the year. Its actual usage is classified as Rare. The name reached its all-time peak in 2000 with 38 births ranking #3469. Since 1996, the popularity has decreased by 84.8%. In 2012, approximately 1 in every 352,148 girls born was named Diamon. FALLING Recent data shows the name is currently falling.