PRISTINE A modern take on a classic signet ring featuring a custom cut polished Onyx stone handset in a clean bezel. Onyx is believed to inspire strength, focus and willpower. The ring is made from the highest quality 316 stainless steel in a polished finish and plated with 18k Gold or Rhodium to strengthen the surface and prevent tarnishing. With materials like these, Pristine is guaranteed to last a lifetime.