Antique Edwardian platinum and 14k yellow gold stick pin with a carved Australian opal shell design accented with Old European cut diamonds. The diamonds have a combined weight of 0.29 ct. with HJ color and VS2-SI2 clarity. The stick pin measures 3-1/2" tall x 1-1/8" wide. Circa 1900-10s. Appraised Value $4,690.00