“And a lesser gemsmith would not pay nearly the diamonds' worth. In fact, the shabbier and shadier the operation, the less blunt Martin can expect.” Queenie and Hellen exchanged glances. They both know the shabbiest, shadiest fence of all.
Source: wiktionary
It is known that these merchants, with their caravans of hundreds of slaves bearing packs of trading goods on their backs, crossed mountain ranges and hacked their way through hundreds of miles of jungles and rain forests to bring the Aztec emperors Andean condors for the imperial zoo and probably emeralds, as well, for the emperors' gemsmiths.
Source: wiktionary
Ambrogio Martinello, an Italian gemsmith.
Source: wiktionary
His victims were bound and naked and tied to chairs, a gemsmith and his wife and maid who did not yet fully comprehend the fate that was upon them. The gemsmith's crime was to be in possession of gold and jewels, to own a business in Cheapside which had come to Realm's attention.
Source: wiktionary