"This earring," he said, "is perhaps the gem of the whole collection. It is Byzantine, and is of wonderfully delicate workmanship." The filigree gold ornament, was a long and slender pendant, of intricate gold work and studded with tiny jewels. It was one of a pair of earrings, and they wondered where its mate might be, if indeed, it was yet in existence. "It would make a fine lavalliere," said Dolly, holding it up against her chest, and glancing in a nearby mirror.
Source: wiktionary