shop › A Thing Hidden A Thing Hidden $370.00 A hidden helix style threadless stud with a white sapphire accent! Handmade by Pupil Hall in solid 14k yellow gold. A hidden helix style threadless stud with a white sapphire accent! Handmade by Pupil Hall in solid 14k yellow gold. Add To Cart Added! You Might Also Like Grey Diamond Oval Slice $835.00 O'Keefe Marquise from $385.00 Madrone $250.00 Grey Diamond Pear Slice $865.00 Elegans from $330.00