Maybe she is a pretty girl showing off some beautiful jewelry.
From Wikimedia; removed dimple lines from the background in the top fifth of image.
Not many images in this Site match fashion plates of the day. This one, with its wide bertha and mammoth sleeves, does. She wears gold, ruby, and coral jewelry.
Keywords: 1828, Kinsoen, German, neo-hurluberlu coiffure, ferroniere, necklace, earrings, pelisse bodice, off shoulder straight neckline, lace modesty piece, lace bertha, dual upper puffed sleeves, bracelets, natural high waistline, full skirt, wrap