The Winter edition of Italy’s VicenzaOro fair ushers in a year of big, bold colorWhen Sutra Jewels’ Arpita Navlakha sets up her booth at the VicenzaOro Winter fair (opening Jan. 18), she plans to unpack her “most dramatic pieces…with lots of emphasis on color,” says the Houston-based designer. Think oversize cuts of opals, tanzanite, and paraiba tourmalines from Africa.The Italian fair, which runs through Jan. 23, routinely kicks off the year’s fine jewelry show circuit and provides a glimpse of the trends expected to dominate the year. The 2014 event will feature upwards of 1,500 exhibitors of finished goods and supplies, as well as innovative tech products in the T-GOLD section.While May’s VicenzaOro Spring and September’s VicenzaOro Fall offer better weather, the Winter show is said to attract the most American buyers.The bulk of the show’s exhibitors are, indeed, It