When I’m writing about places and things (and sometimes characters) I will often use photographs as inspiration. Here are some jewelry items that inspired the rings my characters wore.

Antique Emerald and Diamond engagement ring
Inspiration for the ring Laurence gave Bea at his second proposal
Forget-me-not ring
Inspiration for the ring Victor gave Juliana at their betrothal
Sapphire and Pearl cluster ring
Inspiration for the ring that Colin gives Anne at their wedding