These flat profile, hinged hoop earrings are platinum (Plat.) or palladium (Pd). They come in two sizes and diamond weights. The large hoop earrings are shown here in platinum.
The flexible, sturdy ear wires are 18k white spring gold on the platinum hoops and 14k white spring gold on the palladium hoops. Both are hallmarked.
Please note, the earrings shown here are platinum. Palladium is also a white metal but will appear slightly warmer in color.
Dimensions in inches: large 0.62" diameter; 0.13" thick large; small .48" diameter; 0.10" thick