Lot 326. Thai Ruby and diamond parure. Estimate 400,000 — 600,000 CHF. Courtesy Sotheby's
Comprising: a necklace with cushion-shaped and oval rubies, highlighted with circular-cut and oval diamonds, length approximately 425mm; a bracelet, length approximately 180mm; and a pair of earrings of cluster design, each set with an oval ruby, pear-, marquise-shaped and oval diamonds, post and clip fittings.
Accompanied by Gübelin report no. 0002012, no. 0002013, and no. 20002014, each stating that the rubies are of Thai origin, with indications of heating.