A certificated 'Tolkowsky' diamond solitaire dress ring, the 18ct white gold ring set with central brilliant cut, 0.26cts, flanked by diamond set shoulders, ring size Q, total diamond weight 0.51cts, Certificate no. 80122900102 stating 0.26cts colour E, I1, 0.26cts, hallmarked and numbered to inner shank, 3.9g boxed with certificate folder