A lovely gold & diamond necklace. Dating around the 1980's. A solitaire diamond in a bezel setting mounted between a pair of gold wings laced with channel set diamonds. 
The chain is a flat snake design with nothing lightweight  about it. The chain will lie flat is sturdy, so no kinking . The diamonds are about 1.5mm each , approximately 0.12 in total. 
The solitaire diamond is bezel set and a lovely piece. 4mm diameter , 0.25 ct.
All of it is well constructed and comfortable for easy elegant wear. 
It is marked 14ct on the clasp and has also been electronically tested.
There is a makers mark on the back but not distinguishable. 
Comes nicely boxed.
Weight 13.63 gms