Purpuradusta gracilis is a species of sea snail, a cowry, a marine gastropod mollusk in the family Cypraeidae, the cowries.

[1] The length of the shell attains 14.9 mm.

This species is distributed in the European waters and in the Indian Ocean along Aldabra, Chagos, Kenya, the Mascarene Basin, Mauritius, Réunion, the Seychelles, Somalia, South Korea[9] and Tanzania.