This marquise-cut amethyst features a lively, attractive purple color saturation that complements a variety of metal colors and gemstones. Use it by itself for simple earring or ring designs, or highlight the color by pairing it with contrasting-color stones to create more complex, multicolor designs. Amethyst is the birthstone for February.
Amethyst is the best known and most valuable form of quartz. The light-to-dark purple color of natural amethyst is caused by iron or manganese compound impurities in the mineral and can range from a watercolor pale pink to a dark, almost opaque, purple. A single stone will often show color zoning—angular zones of light and dark colors.
Also called a "navette" cut, the marquise cut features pointed ends and an elongated shape. Its faceting is a variation of the brilliant cut, designed to maximize the play of light within the stone.
• Care: Clean with warm, soapy water. Ultrasonic cleaning is usually safe; never steam clean.
• Unless precisely calibrated to an exact size, gemstone sizes vary slightly. Rio allows a tolerance of +/– 0.1mm for gemstones 4mm and smaller; +/– 0.2mm for gemstones larger than 4mm.