Classical Portrait: Victorian Noblewoman

A noblewoman in her early forties, red-brown hair in an elegant low chignon with a pearl pin, hazel eyes, refined pale skin, subtle rose blush and deep red lips. She wears a high-collared emerald green velvet gown with cream lace collar and ruffled cuffs, gold brooch and pearl earrings, seated in a wingback armchair, hands resting on an open book in her lap, composed serene expression, chin slightly raised. Background of a dark Victorian study with bookshelves, a marble fireplace and tall curtained windows. Warm soft window light from the right, late-afternoon quality, glowing on the velvet fabric, deep shadow on the left, rich chiaroscuro. Main palette of emerald green, cream, mahogany brown and antique gold. Medium shot, straight-on view, painterly classical mood, 4k