Very sweet Victorian ring, likely an engagement ring set with a bright Diamond. Made in 10k Rose gold, designed as a smooth band that widens at center at the setting. This style of ring is called gypsy ring, smooth band and lovely chased star at the bead setting.
Band measures 6mm at the setting reducing to 2.5mm at the back.
Ring size 6. Unmarked, tested, excellent condition. Diamond was replaced from rose cut to old mine cut sometime ago. Fiery stone, estimated at 3 or 4 points in carat weight.