14K Yellow Gold Diamond Stud Earrings Vintage

14K yellow gold earrings with tiny diamond studs. Gold squares are marked COL 14K (see photos) and can be removed from diamond studs. Diamonds tested with Presidium Gem Tester. Backings are marked 14K (see photos). Measures just over 1/4 inch square. Gold squares have some scuffs and could use a polish. Otherwise in great condition.