However, few qualities can boost the legend of a project like record sales. According to the Recording Industry Association of America (RIAA), only about a dozen rap albums have received diamond recognition. And Tupac Shakur’s magnum opus, All Eyez on Me, the first double-disc album of original material in hip-hop history. In today’s digital age, measuring the importance of record sales in hip-hop is difficult because sometimes sales do not match impact. Here are the 25 best-selling hip-hop albums of all time.