Here is a 98.79Ct Blue Sapphire and Diamond Necklace set in 14k white Gold. This will look fabulous on her for any dressy occasion. This looks like something a Princess would wear. It has 84.89Cts of Blue Sapphires and 447 Sparkling Diamonds that total 13.90Cts of G-I color near colorless and Vs2-Si1-Si2 set around them. She will look like a half a million bucks without this Necklace on and look like a million bucks with it on, especially with a royal blue open neck dress. Sapphire is the September Birthstone. This is a very elegant Jewel that she will enjoy having. Why not surprise her for an upcoming Anniversary? This has an auction estimate of $15,000-$25,000. A 15% auction fee will be added to the winning bid.