This amazing brooch is very rare, signed Christian Dior By Kramer. Can't find anything on in my research so far. I believe it also can be a Schreiner constructed piece due to the following elements seen in the piece which include:
Dogtooth prong settings, unusual, unique, 3 dimensional layered construction, rare, specialized, gripoix glass shapes, organic lily pad /flower petal glass stone shapes, light aquamarine colored crystal stone accents which are upraised in settings that are directly soldered onto the metal prongs themselves.
Art Nouveau influences include a lily pad look or perhaps flower petals layered on each other, cascading down making a springtime look. Though it reminds one of Spring, this would be a lovely winter white look as well.
It is in very good vintage condition, only issue noted is a couple of very faint stress lines on the front of 2 of the stones. Not noticeable unless looking very closely and does not affect the beauty of this brooch. All in all a fabulous pin as well as a very desirable piece for the serious collector
Measures approx. 2~1/2" x 1~ 1/2"