Lapis lazuli carved clover 14k earings

These stunning 14k gold earrings feature beautiful natural blue lapis lazuli stones in a charming clover shape with a slightly cloudy grey accent and metallic gold pyrite showing no visible white shade of calcite.The earrings have a post and butterfly back for easy and secure wear although both butterfly backs are different brands but both still 14k gold. The antique studs are signed by a brand I am unable to identify but has total weight of 1.6g.i did have metal content checked and is 14k on all metal pieces. Crafted in yellow gold, the earrings are perfect for adding a pop of color to any outfit. The earrings are in excellent shape, ready to be worn and cherished for years to come. these have a makers mark. I just can't identify it.