An 18ct gold aquamarine and diamond ring

An 18ct gold aquamarine and diamond ring, with a marquise cut aquamarine,14.00mm x 5.68mm, flanked by a trefoil of round brilliant diamonds on each side, claw set in white, to yellow gold chenier shoulders and a plain band. Birmingham hallmark, date stamp indistinct. Head 14.00 x 17.00mm approximately. 4.55g. Ring size N¾ Buying this gemstone ring at auction could save up to 0.42 tonnes of CO2e compared to buying new. Condition Report: Combine diamond weight approximately 0.30ct. The aquamarine is clean, with only a small chip at the junction of two crown facets, not visible to the unaided eye. Surface scratches to mount.