A diamond and emerald leopard brooch, by David Webb. Photo: Christie's Images Ltd 2010 Designed as a crouching circular-cut diamond leopard, with a marquise-cut diamond collar and pear-shaped emerald eyes, mounted in platinum and 18k gold. Signed Webb...

Pair of emerald and diamond fish brooches, René Boivin, circa 1980, from the collection of Lily Marinho. photo Sotheby's Each designed as a fish, the face, pavé-set with single- and brilliant-cut diamonds, accented with a cabochon emerald eye, the scales...

18 karat gold, platinum, enamel, colored stone and diamond fish bangle-bracelet, David Webb. Photo Sotheby's Set with round diamonds weighing approximately 2.00 carats, the eyes set with cabochon emeralds, the top of the head set with a cabochon ruby,...

18 karat gold, platinum, diamond, emerald and ruby fish bangle-bracelet, David Webb. Photo Sotheby's Set with round diamonds weighing approximately 7.50 carats, round emeralds and round cabochon rubies, internal circumference 6 inches, signed David Webb....