Modified model. Cast using lost wax technique and chased. The shank decorated with stylised relief ornament and set with a naturally coloured fancy brilliant-cut diamond of 2.03 ct (brownish rosé, si). The quatrefoil chaton setting with fine niello decor and micro-pavé of 16 white brilliant-cut diamonds (in total 0.08 ct, G/vs). Certificate With a signed hand-written certificate from the goldsmith, from which the information on the materials was derived. Dimensions Ring size 55. Weight 9.08 g. Artist or Maker Otto Jakob, Karlsruhe, 2007. Notes VAT: Margin scheme