Vintage 18K Yellow Gold Custom Cultured Pearl Sapphire Screwback Earrings

These gorgeous pearl earrings are a family piece that were custom made in Brazil in the 1960's. Crafted in 18K yellow gold, these screwback earrings are each set with 1 white sapphire, 4 mm in diameter and 1 cultured pearl, 7.8 mm in diameter. Not marked. Weight is 6.5 grams. In excellent vintage condition.