Ring. Signed 18kt white gold ring with central oval faceted blue gem flanked by (20) full cut faceted diamonds. Central gem, most probably a sapphire, measures approx. 10.0mm x 8.0mm; diamonds measure approx. 2.0mm. Stamped to interior of shank, "18k" with a maker's mark of a lowercase, "f". Total approx. weight is 5.4 dwt (gross). Ring size - 9. From a Queens, NY estate.