Gorgeous Onyx Openwork Mandala Medallion shops Italy

This striking pendant is in pristine condition. Dramatic gold over sterling vermeil detailed work sits on top of an onyx disc. It has a bale that hangs freely from a matching black cord with lobster claw clasp.
Pendant marked ©️.925 + 1/10 14Ky
Clasp marked 925 Italy
Both pieces have another mark which is a C with a diamond shape in the C opening.
18” shops