A half hoop Diamond eternity ring Vintage Tom Customizable Diamond Half Eternity Ring For Sale at 1stDibs A half hoop Diamond eternity ring Lot 1101 Diamond eternity ring with a half hoop of Stunning Diamond Half Eternity Ring Perfect for Stacking or Wearing. An elegant half hoop eternity ring set with nine princess cut white diamonds, each measuring approximately 2. 5mm, with a total estimated diamond weight of 0. 90 carats. The diamonds are HI colour with SI clarity, expertly close channel set for a sleek, contemporary finish. The ring spans 17mm across the finger, measures 4mm in width, and has a substantial weight of 4. 7 grams. Crafted entirely in platinum and bearing Sheffield (UK) hallmarks. There is no date letter present, suggesting a production period of circa 20002010. Ring size: K Resizing: Complimentary resizing available but please check your size with us before ordering as there will be limitations A refined and timeless piece, ideal as a wedding band, anniversary ring, or stacking eternity ring.