C. 1950 Vintage .20 ct. t.w. Synthetic Emerald and .25 ct. t.w. Diamond Pin Pendant Necklace in 14kt White Gold. 22"

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.

WHITE GOLD: Gold is a precious metal which is naturally quite soft. To give it a white color and increase its strength, gold is alloyed with white metals, such as silver and/or palladium, and often plated with rhodium. The purity of the metal is indicated by a unit called a "karat," with 24kt having the highest percentage of natural gold.

FILIGREE: a term for gold or silver wire that has been twisted into patterns and soldered in place. Modern stamping techniques can replicate the decorative appeal of this ancient artform.

SPRINGRING CLASP: Invented in the early 1900s this diminutive device is highly effective. It's a hollow circular metal fastener with a spring opening. This keeps the clasp closed.

REVOLVER: A safety that conceals the point of a pin and keeps it in place with a revolving lever mechanism.

DOUBLE: A bale that has two loops to slide a chain through.

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.

Color Grade H-I: Near-colorless

Clarity VS1-VS2: Very slightly included. Inclusions are observed with effort under 10x magnification, but can be characterized as minor.

SYNTHETIC EMERALD: A gemstone that is created in a laboratory to mimic the actual properties of a natural emerald. Commonly known as "created emerald," it features the same gallant green color and transparent radiance, but is significantly more affordable than an emerald found in nature.