迄今为止,在美国境内所发现的最大一颗钻石是于1924年时在阿肯色州出土的。这块被人们称做山姆大叔的白色钻石的重量为40.23克拉。

• The largest diamond ever discovered in the United States was unearthed in Arkansas in 1924. Named the Uncle Sam, the white diamond weighed 40.23 carats.