Holy Spirit buying medal pendant necklace

This necklace has a descending dove/holy spirit sacred heart pendant. The medal and buying clasp are 18k gold vermeil over sterling silver. The wire is brass. Deep blue freshwater pearls with light blue/green iridescent Czech glass beads. It measures 18.5 inches long worn as a necklace and 37 inches unclasped. The pendant says, “veni sancte spiritus,” come Holy Spirit.