Vintage Gold Tone Sterling Silver Synthetic Ruby and Garnet Stud Earrings

A vintage pair of gold tone sterling silver stud earrings, one with a round cut synthetic ruby surrounded by round cut colorless sapphires (probably synthetic), the other with a round cut garnet surrounded by round cut colorless sapphires (also, probably synthetic). Garnet and synthetic ruby measure approximately 5mm diameter, sapphires meassure approximately 1mm diameter each. 

3/8" diameter

2.8g total

Marked "925"