Elements Crystal Daith Hoop Twilight London Plain Daith Hoop Single Earring Daith Single Earrings Gold and Silver Scream Pretty Australia Small Cartilage Hoop Silver Daith Earring Piercing Earring Etsy. Metal: Recycled 925 Sterling Silver Plating: 18K Gold Silver Rhodium Dimensions: Hoop: 11mm external diameter, 8mm internal diameter, 2mm depth Earring Type: Daith hoop with hinged click clasp This plain daith hoop earring is simplicity at its best and will go with everything! It is a great complimentary accessory to go with your other piercings or to stand alone in its timelessness.