A truly unusual Victorian conch pearl, natural pearl and diamond rectangular cluster shield ring set in 18ct yellow gold. The centrally set conch pearl is flanked by a Persian Gulf natural white pearl and a Tahitian natural black pearl. The pearls are set on a rectangular panel of 18ct yellow gold pave set with Old European cut diamonds. The ring has an elaborate hand sawn pierced openwork undercarriage with a hand engraved border. Conch pearl: 7.4mm, Persian pearl: 4.3mm, Tahitian pearl: 4.3mm. Estimated total diamond weight: 3.96cts. Assessed diamond colour: H-I. Assessed diamond clarity: VS-Si.