Art Deco Inspired Old European Diamond Natural Sapphire Three Stone Ring Engagement Ring Cleaner I am not expert so

I am not expert so I cannot authenticate if it is a genuine 17th-century Spanish coin or a silver replica so the piece is being sold as jewelry only

and Moonphase Sub-dials

Pendant Weight:

Color: H/I/J

The pendant and the box chain are hallmarked with Arne Nordlie makers mark and 925S

Art Deco Inspired Old European Diamond Natural Sapphire Three Stone Ring Engagement Ring Cleaner I am not expert soEra: Art Deco Inspired Estate Composition: Platinum Primary Stone: Old European Diamond Carat Weight: Approximately 0. 62 Carats Color Clarity: H SI2 Accent Stone: Two Old European Diamonds Carat Weight: Approximately 0. 65 Carats in Total Color Clarity: H I SI1 2 Accent Stone: Natural Sapphires Carat Weight: Approximately 1 Carat in Total Ring Size: 8 Ring Weight: 566452