Bulgari Burmese ruby and diamond 'Trombino' ring. An important piece, set with a cushion shape old cut natural unenhanced Burmese ruby to centre with an approximate weight of 4.42 carats in an open back half rubover setting, flanked by eight vertically set baguette cut diamonds in open back half rubover settings with a combined weight of 0.80 carats, further set with a cluster of one hundred and six round old cut diamonds in open back grain settings with a combined weight of 3.70 carats. The total approximate diamond weight is 4.50 carats to an impressive cluster, with intricate square backholing, conforming smoothly to the finger and tapering at the shoulders down to a solid flat heavy shank. Tested platinum, signed 'BVLGARI', Italian, circa 1935, accompanied by AGTA GTC (American Gem Trade Association Gemological Testing Center) report #98001311.
