13/16" diameter pure 14k yellow gold hinged tube hoop earrings that are 3mm thick, from Apples of Gold Jewelry.
The diameter of the gold hoop earrings are 20mm x 3mm thick, making them small but compact, creating a fashionable look that works with any outfit in yellow gold.
Also available in 14k white or rose gold, shown below, or in varying smaller or larger sizes.