C. 1980 Vintage Chopard "Happy" Women's 24mm 1.40 ct. t.w. Diamond Watch in 18kt Gold With Black Leather

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.

LEATHER: A material made from tanning an animal hide, leather is flexible, durable, and creates a rugged look. Different processes of tanning result in different colors and textures.

BUCKLE: A clasp that features the same mechanism as a classic belt buckle. Sometimes used in leather or material bracelets, a buckle straps one end through a loop and secures it with a hinged prong that inserts into a hole and rests against a metal frame.

QUARTZ: From the icy shimmer of rock crystal quartz to the delicate pink of rose quartz to the moody hues of smoky quartz, this gemstone offers something for everyone. Quartz, found in endless colors and varieties, is a popular choice for bracelets, necklaces, rings and earrings.

LEATHER: A material made from tanning an animal hide, leather is flexible, durable, and creates a rugged look. Different processes of tanning result in different colors and textures.

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 & SINGLE: A mix of both brilliant-cut and single-cut gemstones. Brilliant-cut gemstones usually have 58 facets, while single-cut typically have 18 facets.

Color Grade F-G: Colorless to near-colorless

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