Platinum, ruby and diamond ring, Aletto Brothers. Photo: Sotheby's.
The navette-shaped dome invisibly-set with calibré-cut rubies, flanked by two butterflies set with round, baguette, pear and marquise-shaped diamonds weighing approximately 1.95 carats, size 6¼, signed Aletto Bros. Estimation 18,000 — 22,000 USD
Sotheby's. Important Jewels. New York | 24 sept. 2013 - http://www.sothebys.com