Rock Bands. Dazzling statement pieces that sparkle like a bride on her wedding day.
From bottom: "Etoile" platinum and diamond (0.22 total ct) band, $1,900, by Tiffany & Co, 800-526-0649. "Loop Collection" platinum and diamond (3.02 total ct) ring, $12,800, by Harry Winston, 800-988-4110 or harrywinston.com. 18K gold and diamond melee (0.14 total ct) band, $595, by Whiteflash, whiteflash.com. Platinum and cushion-cut diamond (10.00 total ct) band, price upon request, by GRAFF, 212-355-9292.