A striking 18 carat yellow and white gold heraldic brooch, finely crafted with a raised family crest design bearing the Latin inscription “Londinii Defende Tuos Deus Optime Cives” (“O God, defend your citizens of London”). The shield is pavé-set with diamonds and accented with a cross of rubies. At the centre sits a Tudor rose motif in white gold, flanked by gold coronets above and below, surmounted by a sculpted knight’s helm and crowned with a finely detailed eagle in white gold.

• Metal: 18 carat yellow and white gold
• Hallmark: 750 for gold, London assay marks and maker’s mark (A&M), dated 2004.
• Diamonds: 18 round brilliant cut diamonds 0.70 carats, colour G – H, clarity VS1
• Rubies: 6 square cut rubies 0.60 carats
• Dimensions: 4.4 cm x 3.3 cm
• Weight 19.5 grams
• Condition: Pre-owned with light surface wear, otherwise excellent.