Flatweave Area Rugs Offer Gridded Design Our fashionable Sibley Area Rug features a cutting-edge diamond grid pattern rendered in rich pewter, cumin and white. Diamonds within diamonds provide a stunning, pulsing rhythm for your floor. This sturdy, reversible rug is part of our Flatweave Collection. Hand woven of wool for lasting durability and dense texture. Reversible. Available in a variety of sizes.