Lot 29. An emerald and diamond tiara, first half of 20th century. Estimate £12,000 - 15,000 (US$15,000 - 19,000). Sold for £16,250 (€19,244). Photo Bonhams. Composed of three flowerhead motifs, mounted en tremblant, the largest to the centre, set throughout...

Lot 47. Colombian Emerald and diamond bracelet, first half of 20th century. Estimate 11,500 — 12,500 GBP . Photo: Sotheby's. The central motif claw-set with a cushion-shaped emerald, framed by circular-cut diamonds, the bracelet set with variously cut...

Sapphire and diamond suite of jewels, Elmar Seidler, first half of 20th century - Sotheby's Comprising: a bracelet, two rings, and a pair of earrings, decorated to the front and back with intricate metal work, the millegrain-set gemstones including cabochon,...

A diamond-set enamelled gold Flask. India, first half of 20th Century. Photo Bonhams of bulbous form, elongated neck with gently flaring rim, the domed lid with lotus bud finial, decorated in red, green, blue and white enamels, the body with a series...