Antique Ruby, Sapphire & Diamond Pin

Measuring approx. 1 3/4 x 3/8 inch, set with one ruby measuring approx. 2.6mm, one Swiss cut diamonds weighing approx. 0.03ct. and one sapphire measuring approx. 2mm., fashioned in 14k yellow gold, rose gold & platinum. On a 16 inch chain in 14k yellow gold.