Diamond is a moderately popular girls' name in United States, ranking #263 in 2004 with 1,223 recorded births. This places Diamond in the top 1% of ranked US girls' names for the year. Its actual usage is classified as Moderately Popular. The name reached its all-time peak in 1999 with 2,160 births ranking #150. Since 1996, the popularity has decreased by 27.9%. In 2004, approximately 1 in every 1,501 girls born was named Diamond. FALLING Recent data shows the name is currently falling.