Italian Pink Venetian Glass and Mother-Of-Pearl Ring in 18kt Gold Over Sterling. Size 7

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.

YELLOW GOLD: Gold is a precious metal with a natural yellow color. It is quite soft and often alloyed with other metals to increase its strength. The purity of the metal is indicated by a unit called a "karat," with 24kt having the highest percentage of natural gold.

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."

HAMMERED: A dimpled finish that looks as if it were applied through various strikes of a hammer. The result is a random, banged-out look with an artisanal appeal. A hammered piece can appear either matte or polished.

MOTHER-OF-PEARL: Glowing with an iridescent beauty, mother-of-pearl has been showcased in jewelry designs for thousands of years. As mother-of-pearl is a natural substance, it may vary in appearance, and its distinctive shimmer lends a quiet elegance to fine jewelry.

OVAL: An elliptical shape that resembles an egg.

SLICE: A thin, usually flat piece cut from a gemstone. Often has a free-form shape and reveals the natural beauty of a gemstone's interior.