Avon Sterling Silver Pendant Blue Necklace

The pendant is marked Avon 925 and NV. Sold in 2002 and has the vine motif The chain I have on it right now is not the original chain. It is a singapore sterling silver Marked 925 Italy and a star pressed into it. Selling them together. I'm pretty sure the chain has been worn, but the pendant is new. The oval faceted blue stone is a cz I think but, am not positive about. Measures about 15 mm by 9 in size.  This is in the Avon collectible book and is simply beautiful!!!