Diamond is a distinctive girls' name in United States, ranking #709 in 2013 with 394 recorded births. The name reached its all-time peak in 1999 with 2,160 births ranking #150. Since 1996, the popularity has decreased by 76.8%. In 2013, approximately 1 in every 4,453 girls born was named Diamond. FALLING Recent data shows the name is currently falling.