ANTONINI: AN 18K GOLD, GEM-SET, AND DIAMOND RING, ITALY Centering a square cabochon rhodochrosite, framed by full-cut light brown diamonds, with fancy-cut brown and near colorless quartz and rhodochrosite shoulders, weight 7.8 dwt, signed Antonini, Italian registry numbers, size 6. For further information on this lot please visit Bonhams.com For further information about this lot please visit the lot listing