SEVEN SAPPHIRE AND DIAMOND-SET RINGS

SEVEN SAPPHIRE AND DIAMOND-SET RINGS
The first by Adler, a sapphire and yellow sapphire crossover ring with diamond-set shoulders; the second designed as twin rings with either sapphire or yellow sapphire centre to a diamond-set surround; one of crossover design, with an oval sapphire and a triangular rose-cut diamond collet terminal; three sapphire and diamond dress rings and a vari-coloured sapphire and diamond ring, ring sizes, P M, U, M, L, K, P½ respectively (partly illustrated)
First signed adler, the second signed NC for Chatila