Sterling Four Leaf Clover Pendant

Vintage pendant marked as 925. The clover and what looks like onyx is covered by either lucite or glass. The clover is gold, but I do not know if it is 14K. 1 1/4 inches in length and 3/4 inches in width. When turned to the side and viewed under strong light, there are a few tiny scratches to the lucite or glass covering of the clover. I need your zip code to calculate the postage.