Diamond is a distinctive girls' name in United States, ranking #787 in 2012 with 346 recorded births. This places Diamond in the top 4% of ranked US girls' names for the year. Its actual usage is classified as Uncommon. The name reached its all-time peak in 1999 with 2,160 births ranking #150. Since 1996, the popularity has decreased by 79.6%. In 2012, approximately 1 in every 5,089 girls born was named Diamond. FALLING Recent data shows the name is currently falling.