HOOP: An earring that loops from the front of the ear to the back.
18KT: Karat (abbreviated kt or K) is a unit that indicates the purity of gold in the metal. 18kt is 75% gold. In Europe, 18K yellow gold is most favored and used in jewelry.
Gold Over Sterling
STERLING SILVER: Also known as "Standard Silver," sterling silver is silver alloyed with other metals to increase the hardness and durability. Generally, sterling is 92.5% silver and 7.5% other metals. Some sterling silver jewelry is plated with 14kt-18kt gold and referred to as "vermeil," or "gold over sterling."
POLISHED: A buffed-out finish used to produce a mirror-like shine.
POST/CLUTCH: An earring with a post insert and a slide-on clutch backing to hold it in place.