Opposite of unadorned:

adorned, beady, gemmed, jeweled, jewelled, sequined, spangled, spangly, bedaubed, bespectacled, monocled, spectacled, brocaded, embossed, raised, buttony, carbuncled, champleve, cloisonne, clinquant, tinseled, tinselly, crested, plumed, crested, topk