6mm Solid Gold or Platinum Shell — 14k yellow, white, or rose gold, or platinum, built to last longer than the dino did Authenticated Triceratops Bone Inlay — 5mm of actual millions-of-years-old dinosaur, verified by our paleontologist who dug it up! Flat Profile, Standard Fit — Polished finish flat exterior sits flush and wears clean all day long Outranks Every Ring in the Room — Worn by the guy who doesn't need to explain the dinosaur This item is a retiring style and will not be restocked. Get it before it’s gone! This item is not eligible for additional discounts.