Diamond is a distinctive girls' name in United States, ranking #1124 in 2018 with 218 recorded births. The name reached its all-time peak in 1999 with 2,160 births ranking #150. Since 1996, the popularity has decreased by 87.2%. In 2018, approximately 1 in every 7,800 girls born was named Diamond. FALLING Recent data shows the name is currently falling.