18 Karat gold, coral, jadeite, cultured pearl and sapphire pendant-necklace, David Webb. Photo Sotheby's. 

The textured gold links set with eight carved coral frogs, spaced by carved jadeite segments, some shaped like koi fish, with six cultured pearls measuring approximately 11.3 to 9.1 mm, further set with seven sapphire cabochons, suspending a pendant formed of a carved jadeite bi within gold frames decorated with ropetwist and fleur-de-lys motifs, gross weight approximately 180 dwts, length 29 inches, necklace and pendant signed Webb; pendant detaches and may be worn as a brooch; necklace fitted with retractable pendant loop. Estimation 20,000 — 30,000 USD