12 x 6 millimeter emerald cut gemstone (heat treated to enhance color) Sterling silver lobster clasp Mighty Miracle nylon cord FSC certified card One length, 16" with a sterling silver extender allowing it to be worn up to 18" SoulKu is women-owned and offers genuine gemstone jewelry handmade in the USA. Meaningful gifts for all of life's occassions stock up on SoulKu this Fall, Winter, Christmas, Holiday, New Year, and Valentines Day! We carry displays, necklaces, bracelets, and earrings using genuine gemstones, sterling silver, and 14k gold-filled wire.