What’s trending and who’s advertising in the March issuesEllePushing:• Rose gold and diamond openwork collar; gold-plated brass lattice cuff (“No Holds Barred: Spring separates go supersexy with cage cutouts”)• Sapphire elephant pendant; rose gold chain with opal fish and turquoise frog charms (“The trusted charm gets an haute joaillerie makeover”)Advertisers:David Yurman, Omega, Bulgari, Tiffany & Co., Hearts On Fire, Tacori, TAG HeuerHarper’s BazaarPushing:• Diamond pavé gold arrow cuffs; layered chains with gold pyramid pendants (“Glamorama: Channel Ziggy Stardust in glitzy reds, blacks, and golds”)• Agate cocktail ring; gold medallion and turquoise earrings with pheasant feathers (“Southwest Spirit”)Advertisers:David Yurman, Harry Winston, Omega, JB Star, de Grisogono, Tacori, Casato Roma, Lagos, Marco Bicego, Le Vian, Bulgari, Stephanie Kantis,