TOP: THESE BAGS EASILY TRANSFORM FROM DAYWEAR APPROPRIATE TO NIGHTLIFE ACCES- SORY, MAKING THEM A SOUND (AND EASY-ON-THE WALLET) INVESTMENT. Denim Blue leather satchel ($48.50) and silver-ringed bronze leather bag ($44.50), both at Catching Fireflies, Berkley (248-336-2030; shopcatchingfireflies.com ). ABOVE: THIS MASTERPIECE BY VALENTINO IS A SPLURGE, BUT ITS ELEGANCE IS TIMELESS. Valentino Fleur satchel ($1,695), at Tender, Birmingham. RIGHT: DON'T WAIT FOR AN OCCASION TO SLIP ON THESE WARDROBE STAPLES. Oval link 18 - karat gold bracelet ($5,525) and 18-karat gold hinged huggie earrings ($1,225), both at Jules R. Schubot Jewellers/ Gemologists, Troy. B 1 8 • SEPTEMBER 2008 • IN platinum