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 bagette cut diamonds in open back half rubover settings with an approximate combined weight of 0.80 carats further set with a cluster of 106 round old cut diamonds in open back grain settings with an approximate combined weight of 3.70 carats. The total approximate diamond weight is 4.50 carats to an impressive cluster, with intricate square backholing and an openwork finger gallery, 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.
