An opal and diamond crossover ring, featuring two white opals cut en cabochon, flanked by single cut diamonds, mounted in 18ct gold, hallmarked, ring size M. Condition: ring in good condition. Smaller of the two opals has a chip near the girdle. Opals 7.84 x 6.67 x 3.04 mm and 9.4 x 7.68 x 2.78 mm commercial white opal cabochons, bordered by fourteen 1.8 mm eight-cut diamonds. Hallmark London. Sponsor 'D&N'. Estimated total opal weight: 1.95cts, Estimated total diamond weight: 0.28cts. Gross weight: 5.3 gms,