The Vault
Grand Tour Jewelry: How to Tell Micromosaics, Pietra Dura, and Lava Stone Apart
Discover how to distinguish between three distinct types of antique Italian jewelry from the Grand Tour era: Roman micromosaics, Florentine pietra dura, and Neapolitan lava stone. Learn the material and technique signatures that identify these collectible souvenirs.
Leo Moretti·October 23, 2026
