An curved arrow pointing right. Taiyo no Tamago, or Egg of the Sun, are stunning, plump, red, perfectly unscratched, and incredibly sweet mangoes that are farmed in the Miyazaki Prefecture of Japan.

A pair of mangoes grown in southern Japan sold Thursday for a whopping 300,000 yen ($3000), a record price for the fruit’s first auction of the season, Kyodo News reported. The “Taiyo no ...