CZ Solitaire Earrings - 8mm each

Purchased these earrings on a cruise ship Beautiful quality large CZs - they catch the light and def shine bright 4 prong I purchased knowing I wear more rose gold - but they were so pretty!! Now my lose if your gain. I am not sure if they are silver or white gold plated - backs are stamped 925 for silver Meantime roughly 8mm each