I believe that these earrings are 14K yellow gold. The backings which I no longer have must have been stamped. They measures 1/4" in diameter and have tiny diamonds in the center. Perfect condition. The weight is 1.29 grams.
1/4 inch diameter
Gold, 14K Gold
14K Gold Square Pierced Earrings With Diamonds
Antiques, Collectables, Jewelry and Vintage Clothing