What happened in Vegas? We’ve got the ­highlights from JCK, ­LUXURY, and a week’s worth of show business.To quote the pundits, 2014’s JCK Las Vegas was a platform for all kinds of “disruptive innovation.” From a jewelry-specific take on Shark Tank to a virtual tour of a diamond mine, the show was a mecca for the industry’s most forward-thinking denizens. Even the stylish new Prestige pavilion brought down its walls, emphasizing the ethos of the moment: transparency, modernization, and future-mindedness.TREND YOU NEED TO HEAR ABOUTEar JewelryThe ears have it. The biggest jewelry statements of the year spotlight the lobes in the form of cuffs, climbers, jackets, front-to-backs, mismatched studs, and ear jackets (pieces that hang behind the ear and below the lobe). A range of firms presented both aspirational and attainable styles—from diamond-heavy looks at Doves by Doron P