Lot 490. Property from the estate of Mary, Duchess of Roxburghe. Ruby and diamond tiara, second half of the 19th century. Estimate 78,000 — 98,000 CHF (73,585 - 92,453 EUR). Lot sold 100,000 CHF. Photo Sotheby's

Designed as a series of foliate sprays set with circular-cut, cushion-shaped and rose diamonds, later embellished with circular-cut rubies centred on a similarly set lyre motif, inner circumference approximately 290mm, five small diamonds deficient. 

Accompanied by a gemmological report. 

Sotheby's. Magnificent Jewels and Noble Jewels, Genève, 12 mai 2015, 10:30 AM