This stones in this set are gorgeous. The stones are mainly AB in shades of blue and deep purple chaton shapes. There are thin deep blue navettes between the cluster links of the AB stones. The brooch is slightly raised and tips down in the center. The pieces all have a rhodium finish. The brooch and one earring are signed Alice Caviness on the reverse. The set is in very good condition with some roughness on the pin stem. Alice Caviness began operations in the mid to late 1940's in New York City and sold the business in 1982. The Caviness line continued until the year 2000. The set is vintage 1960's. Size of the brooch is 2 1/4 inches in diameter and the clip on earrings are 1 inch in diameter.