Diamond is a distinctive girls' name in United States, ranking #884 in 2014 with 308 recorded births. The name reached its all-time peak in 1999 with 2,160 births ranking #150. Since 1996, the popularity has decreased by 81.9%. In 2014, approximately 1 in every 5,798 girls born was named Diamond. FALLING Recent data shows the name is currently falling.