9.50 ct. t.w. Green Prasiolite Necklace with Scrolled Sides in Sterling Silver. 18"

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."

CURB: A chain of special curved links that interlock even while laid flat. The links can all be the same size or be graduated towards the center.

LOBSTER CLASP: named after the pinching style of the hook, this clasp is often shaped like a lobster's claw. Use your finger to work the lever to open the clasp.

PRASIOLITE: A warm- to yellow-green variety of quartz. It is a rare gemstone in nature and often the color comes from the process of heat treatment. It is sometimes referred to as green amethyst or lime citrine.

CUSHION: A gemstone that features a rounded square shape. The facet arrangement can be either a type of modified brilliant cut or a checkerboard pattern.