Judy Ross designs are recognizable for their clean and clear modern lines, progressive color sense, and light-hearted approach. Necklace is a hand-knotted wool-piled Tibetan rug with a jaunty graphic appeal in shades of amethyst, lavender, violet, and pansy-purple. Three strings of beads appear to undulate and even dance in space. 182 Duane Street, New York, NY 10013; 212-226-1045; roomonline.com.