Some examples of jewelry from the Ancient Roman empire:

Glass bead necklace, c. 200 BC – 100 AD
Unknown origin

Gold and pearl earring, 1st century AD
Italian peninsula
Met Museum

Gold, pearl, and glass necklace, 1st century AD
Italian peninsula
Met Museum

Mummy Portrait of a woman with Necklace, 161 – 192 AD
Encaustic on wood
Found 1887 in Er-Rubaiyat, Egypt
Kunsthistorisches Museum, Vienna

Gold earrings, Egypt (probably), 100 – 200 AD
Victoria and Albert Museum, London

Garnet and gold necklace, 2nd century AD
Saloniki, Greece, Amazone’s sarcophagus
Kunsthistorisches Museum, Vienna

Die and glass beads necklace, c. 2nd century AD
Private collection

Gold and glass beads necklace, c. 200 AD
Risd Museum, Providence

Gold and glass necklace, 2nd century AD
Private collection

Seven Necklaces Roman, 175 – 225 AD
Gold, Glass, Amethyst, Pearl, and Emerald
Cabinet des Medailles, Paris

Gold and sapphire necklace, c. 2nd – 3rd century AD
Private collection, Germany
If you know about missing informations of origin or copyright please let me know!