An amethyst, diamond and carved moonstone set brooch by Koch, 1925
L'ivresse des pierres d'Isabelle Langlois.
The Shanon Ring ~ Art Deco ring features an old European cut Diamond and twenty-four single cut Diamond accents in a tiered Platinum setting. Twelve baguette cut lab created Sapphires perfectly accent the center gem for a regal finish. c1920's