2.71 ct. t.w. Blue and White CZ Halo Earrings in Sterling Silver

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.

SIMULATED SAPPHIRE: A simulated sapphire is an artificial stone made to imitate real sapphires. Sometimes known as "faux sapphire," it does not actually hold any of the physical properties of sapphire, as it could be made from acrylic, plastic, glass or CZ. Simulated sapphire is very affordable and can create the same regal look for less.

CUBIC ZIRCONIA: once called the poor cousin to the diamond, CZs have since become a fashion statement in their own right. Perfect for travel and a little extra bling, CZ Jewelry is one of man's flawless creations.

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