Dallas Shag Rug Collection. Diamond Pattern Shag Rugs. The Dallas Collection features luxurious, diamond pattern shag rugs. These are durable, easy-care carpets power loomed using high quality synthetic fibers ideally suited to withstand the high traffic areas of the home or office. The soft feel underfoot and dense waves of texture provides balance and dimension to contemporary room decor. Elegantly designed, each rug provides comfort and luxury to complement your style. Durably construction, these shag rugs are the perfect addition in your home for a chic upgrade.