C. 1970 Vintage .20 Carat Diamond and .10 ct. t.w. Chrysoberyl Cat Pendant Necklace in 14kt Yellow Gold. 18"

14KT: Karat (abbreviated kt or K) is a unit that indicates the purity of gold in the metal. 14kt is 58.33% gold. In the United States, 14K 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.

CABLE: One of the most popular and classic of chain styles, created from interlocking oval links unvarying in size.

LOBSTER CLASP: named after the pinching style of the hook, this clasp is often shaped like a lobster's claw. Use your finger to work the lever to open the clasp.

Diamond: The hardest and most brilliant of all gemstones, a diamond can make the heart race with its pure and fiery spark. An ancient symbol of love, a diamond is the preferred gemstone for tokens of affection, such as rings, earrings, necklaces and bracelets. Diamond is the birthstone for April.

BRILLIANT: A gemstone cut to enhance brilliance without sacrificing much carat weight. Typically has 58 facets.

CLARITY SI1: Slightly Included. Inclusions are noticeable under 10x magnification.

Chrysoberyl: "Chrysoberyl" is Greek for " golden-green," referring to this rare gemstone's beautiful color. Regardless of its name, it is not beryl and is actually classified as its own mineral group: beryllium aluminum oxide. Phenomenal varieties of chrysoberyl include alexandrite and cat’s eye.

MARQUISE: An elliptical shape that comes to a point at the top and bottom. Sometimes referred to as a "navette."

CABOCHON: A style of cutting gemstones to achieve a smooth, domed surface with an absence of facets.