Dark silver Magic Nature moon disc Earrings with diamonds

TOUS Magic Nature disc earrings in dark silver with silver vermeil bezel with four 0.8 mm faceted round black spinels and a 4.5 mm moon in 0.03 ct single cut IJ/I diamonds. Size of earrings: 13 mm. Push back. Sterling silver plated with 18kt gold with a thickness of 3 to 5 microns and with no other metal between them. (Dark Silver: Sterling silver covered with a layer of ruthenium, a mineral that gives strength and shine.) Production technique: Casting