FANCY COLOR DIAMOND AND SAPPHIRE RING G. Petochi, Rome, 1900-1940. Companion to preceeding lot. 18k bypass design with twisted wire border, platinum-set yellowish-brown OEC diamond, approx. 1.25 cts., fine OMC sapphire, approx. 2.15 cts. (possible Burma origin, untested), OMC diamond ribbons, approx. .46 ct. TW. Unmarked. 12.5 gs. Size 8 1/2"