C. 1990 Vintage 2.10 Carat Green Chrysoberyl Cat's-Eye and 1.05 ct. t.w. Diamond Pendant Necklace in Platinum. 16.25"

PLATINUM: A rare precious metal cherished for its longevity and strength. Platinum is naturally white, durable, dense, and resilient to discoloration. Most platinum in jewelry is at least 95% pure since it does not require alloys or plating.

ROLO: A chain comprised of interlocking circle-links.

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.

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.

OVAL: An elliptical shape that resembles an egg.

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.

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

Color Grade G-H: Near-colorless

CLARITY SI2: Slightly Included. Inclusions are noticeable under 10x magnification.

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

CLARITY SI1-SI2: Slightly Included. Inclusions are noticeable under 10x magnification.