Sapphire and diamond eternity ring. Set with eleven square step cut natural unenhanced sapphires in open back rubover settings with a combined approximate weight of 1.30 carats, further set with eleven square step cut diamonds in open back rubover settings with an approximate combined weight of 1.10 carats, to a smoothly conforming full eternity band featuring an alternating design, polished borders and fancy open backholing, approximately 3.5 mm in width. Tested platinum, circa 1950.
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