A gem dealer, also known as a gem merchant or gem trader, is someone who sells or buys precious stones. Other synonyms for gem dealer include jeweler, lapidary, gemologist, and gem cutter. A jeweler not only sells precious stones but also creates and designs jewelry pieces. A lapidary is someone who cuts, polishes, and engraves gems, while a gemologist specializes in the identification and grading of gems. Finally, a gem cutter is a specialist who cuts and shapes raw gemstones into refined and finished gems. All of these professionals play critical roles in the gemstone industry and contribute significantly to the beauty and value of precious stones.