Like a colorful geode springing forth its treasure, this gorgeous pendant necklace from Effy comes alive with stunning gemstones including oval- and pear-shape blue topaz; round- and pear-shape amethyst; pear-shape citrine; and round-shape peridot Balissima by Effy Multi-Gemstone 18" Pendant Necklace (6-3/4 ct. t.w.) in Sterling Silver & 18k Gold Jewelry & Watches Fine Jewelry - Necklaces