STERLING SILVER: Also known as "Standard Silver," sterling silver is silver alloyed with other metals to increase the hardness and durability. Generally, sterling is 92.5% silver and 7.5% other metals. Some sterling silver jewelry is plated with 14kt-18kt gold and referred to as "vermeil," or "gold over sterling."

LEVER: An earring backing with a hook-shaped insert and a hinged leverback to hold it in place.

TAHITIAN PEARL: Saltwater pearls found off the islands of French Polynesia, treasured for their rarity, large size, and mysterious color. Tahitian pearls are grown in black-lipped oysters and range from metallic silver to graphite-colored with overtones of blue, purple, and green.

SEMI-BAROQUE: A pearl with a slightly irregular shape.

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.