Three emerald and diamond brooches, second half of the 19th century. Estimate 5,000 — 7,000 GBP . Photo Sotheby's. One designed as a floral spray of dog rose and lily-of-the-valley, two modelled as the head of a dog rose, set with cushion-shaped and rose...

Emerald and diamond brooch, second half of the 19th century. Estimate 10,000 — 11,000 GBP. Photo Sotheby's Set with three graduated cushion-shaped diamonds, within a foliate surround of circular-cut diamonds, suspending five emerald drops, later brooch...

Fine natural pearl and diamond tiara, second half of the 19th century. Estimation 1,950,000 — 3,890,000 CHF. Photo Sotheby's. Composed of a line of star motifs set with rose diamonds, surmounted with eleven slightly baroque drop shaped natural pearls...

Lot 491. Property from the estate of Mary, Duchess of Roxburghe. Ruby and diamond bracelet, second half of the 19th century. Estimate 59,000 — 79,000 CHF (55,660 - 74,528 EUR) . Lot sold 274,000 CHF. Photo Sotheby's. Composed of a rosette between tapered...

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...

A Vietnamese "guom" sword, second half of the 19th century. Estimate $600 – $700. Photo Auctions Imperial Inc. A very rare type of characteristic form, the silver-mounted hilt with embossed and engraved monsterhead pommel and ferrule, elephant grip and...

A pearl and diamond corsage ornament, second half of the 19th century. Photo: Bonhams. Realistically designed as a floral spray, the two central blooms, mounted en tremblant, with unfurling old brilliant-cut diamond petals and pearl stamens, the stem...