A Victorian Opal and Diamond ringA beautiful Victorian dress ring, set with three finely matched oval opals, each displaying lively and attractive colour play. The centre opal measures approximately 8 4. 5 mm, flanked by two slightly smaller ovals at 7 4. 3 mm. On either side of the central opal are three old brilliant cut white diamonds, measuring around 2. 4 mm each, giving a total estimated diamond weight of approximately 0. 30 carats. The opals are housed in an elegant carved