C. 1970 Vintage Opal and 1.25 ct. t.w. Diamond Bangle Bracelet in 14kt Yellow Gold. 7.5"

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.

SAFETY CHAIN: A chain that is attached to both sides of the opening for a necklace or bracelet. It provides an extra measure of security in case the main clasp fails.

OPAL: With an iridescent luster that can reveal a beautiful kaleidoscope of color, the opal has inspired many myths and legends. A white opal with swirls of soft pastel shades is popular for jewelry, but opals also come in black and blue. Opal is the gemstone for October birthdays.

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.

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 H-I: Near-colorless

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

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