Vintage Gem Inlay Southwestern Post Earrings

A very pretty pair of multi-stone inlay earrings. The earrings are post style and  tear- shaped. The stones are turquoise, lapis, coral and malachite .  These are inlaid masterfully in a geometric pattern in two squares. Unsigned but marked sterling on the back. 

Length to the bottom is 8 cm (3 1/4"). Width is 1.8 cm (3/4"). Weight is 7.9 grams.