Jewelry Design Kashan Necklace Jewelry by Anousha Razavi Kashan, the new line of jewellery by Anousha Razavi is inspired by the mesmerizing ceiling in the Bazaar of Kashan, an ancient city known for its architecture and rich culture. Each piece is set in 18-karat yellow gold, and a sprinkle of diamonds, painted in colors with tourmalines, Swiss blue topaz, amethysts and London blue topaz.Stained glass windows are easily imagined from extraordinary detail and color found in this necklace. All handcrafted, hand cut and handset within a bed of gold and diamonds, the collection is designed to be a piece of wearable art.