Vatican, City State. An Equestrian Order Of St. Gregory The Great, Commander, By Tanfani & Bertarelli GTRexclude weighing 593 grams

weighing 593 grams

with 63 old rose cut diamonds totalling approximately three carats

measuring 33 mm x 40 mm

signature to Officer rank overseas caps

Vatican, City State. An Equestrian Order Of St. Gregory The Great, Commander, By Tanfani & Bertarelli GTRexclude weighing 593 grams(Ordine di San Gregorio Magno). Instituted in 1831. Civil Division. In silver gilt, a red enamelled Maltese cross with ball finials, the obverse medallion featuring a gilded bust of St. Gregory on blue enamels, surrounded by a ring inscribed S. GREGORIUS MAGNUS, the reverse medallion presents a blue medallion features the inscribed PRO DEO ET PRINCIPE, the surround in inscribed GREGORIUS XVI P. M. ANNO., the cross is surmounted by a green and red