Diamond Half Eternity Ring Vintage, half hoop diamond eternity ring Antique Ring Boutique : US Victorian Half hoop Diamond Ring For Sale at 1stDibs Bonhams : A diamond half hoop eternity ring, by Asprey & Garrard and a. 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.