Jeweler's Tools in D&D 5e costs 25 gp, weighs 2 lb..
These special tools include the items needed to pursue a craft or trade. The table shows examples of the most common types of tools, each providing items related to a single craft. Proficiency with a set of artisan's tools lets you add your proficiency bonus to any ability checks you make using the tools in your craft. Each type of artisan's tools requires a separate proficiency.