Up for your consideration is a 100% authentic David Yurman Sterling Silver Chalcedony & Diamond Quatrefoil Necklace.
The carved Chalcedony is about 7MM x 7MM, set in a pave diamond quatrefoil, which is about 13MM X 13MM.
The necklace is about 16 7/16" in length, the quatrefoil and Chalcedony drop about 2".
Hallmarked DY 925.
Even though pre-owned, the necklace shows minimal wear, is in excellent preowned condition.