Roman Gold Ring with Diana Gemstone. 2nd-3rd century A.D. Slender hoop with pairs of granules flanking the ellipsoid cell with inset carnelian intaglio of Diana standing and holding a patera; stone chipped and gold frame extended to compensate. Cf. Chadour, A.B., Rings. The Alice and Louis Koch Collection, volume I, Leeds, 1994, item 368. 3.11 grams, 23.25 mm overall, 19.94 mm internal diameter (approximate size British R, USA 8 1/2, Europe 18 3/4, Japan 18) (1 in.). Ex German art market, 2000s. Acquired from an EU collector living in London. From the collection of Surrey, UK, gentleman.