Vintage Black Onyx Marcasite Art Deco Sterling Silver Pin Brooch Modern round brilliant cut diamonds described

round brilliant cut diamonds described below: 21 = 1

*Any items that do not include 925/Sterling marking were tested and approved in shop on sterling silver qualifying machine

9mm thick at the base of the shank

*Agate has slit line around it

we do not polish our jewelry

Vintage Black Onyx Marcasite Art Deco Sterling Silver Pin Brooch Modern round brilliant cut diamonds describedOne of a kind vintage piece please review all photos carefully for details before purchasing PLEASE REVIEW PHOTOS CAREFULLY To help us list thousands of one of a kind items as accurately and efficiently as possible, we use photos as part of the item description. Important details such as: Ring size (on mandrel) Gram weight Measurements (chain length, pendant size, etc.) Hallmarks stamps are often shown in the listing photos rather than written out. We