In the Regency romance The Spinster and the Earl Lady Beatrice wears a spectacular red gown with a set of ruby earrings and necklace.
(P.115) “She appeared to almost glow before him in a sparkling red gown. She wore large, red robin-egged rubies, which sparkled around the column of her creamy neck. Carefully wrought gold-thredded droplets of ruby red gems, dripped from her pierced lobes, brushing against her dark curls looked, to put it mildly, spectacular.”
A reader wrote to me and said it reminded her of Scarlet O’ Hara’s gown in Gone With the Wind. But I think it looked more like these Regency gowns:
The Spinster and The Earl:http://lachesispublishing.com/?product=the-spinster-and-the-earl