Sapphire Earrings Arc

Pair of earrings with what I believe are genuine sapphires. Was received as a gift many years ago. Each curved pierced earring has two blue sapphires in it along with an interlocking design of diamond-like/rhinestone-like stones (not sure what they are). The metal setting is gold-colored, but parts of it have gone green from age (see photos). They're approx 1 inch large.