An Art Deco Diamond Pendant Necklace

Featuring four old mine-cut diamonds, weighing a total of approximately 1.25 carats, with H-J color and SI clarity, the pendant is crafted out of platinum with a 14K yellow gold back, and is further adorned with round-cut diamonds, weighing a total of approximately 0.85 carats, with H-J color and SI clarity, suspended from a chain made of non-precious metal; pendant measures 1.6 x 4.4 cm; chain length 16-1/2 inches; weight 6.1 g.