Bidspirit auction | A Platinum and Diamond Half-Eternity

A Platinum and Diamond Half-Eternity Ring - A platinum half-eternity ring featuring a channel-set row of seven round brilliant-cut diamonds. The band is constructed with a flat profile and polished channel borders securing the gemstones. The interior of the shank bears several struck marks: a series of three hallmarks in shaped reserves consisting of an orb or anchor, the numerical purity mark 950, and a stylized letter; below these is a separate stamp reading 1.00. The 950 mark indicates a platinum purity of 950 parts per 1000, consistent with British assay standards, while the 1.00 mark denotes the total diamond carat weight. The ring is presented in a vintage square jewelry box with a red exterior and cream-coloured lining. Weight: 3.06g.