C. 1980 Vintage .75 ct. t.w. Diamond and .25 ct. t.w. Synthetic Sapphire Dinner Ring in Platinum. Size 6.5

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.

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.

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.

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.

SYNTHETIC SAPPHIRE: A gemstone that is created in a laboratory to mimic the actual properties of a natural sapphire. Commonly known as "created sapphire," it features the same deep color and transparent sparkle, but is significantly more affordable than a sapphire found in nature.

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