Trilogy Ring Adorned With Three Colored Pearls circa 1920

Platinum ring, mascaron head hallmark. It is set with three pearls: one white, one pink, and one blue. They are surrounded by old-cut diamonds. The frame has a pretty openwork basket and the back of the settings is finely chiselled. The shoulders are also adorned with diamonds. Weight: 6.2 g Ring size: 56, adjustable French work circa 1920