Lot 352. Two Russian emerald and diamond necklaces. Estimate 205,000 — 305,000 CHF. Photo: Sotheby's

One composed of two rows of emerald beads measuring from approximately 5.90 to 17.75mm, embellished with barrel motifs set with baguette diamonds, the clasp highlighted with rose diamonds, length approximately 555mm; the other composed of three rows of graduated emerald beads measuring from approximately 5.80 to 14.60mm, length approximately 425mm.