A pair early Victorian topaz and chrysoberyl drop earrings

A pair early Victorian topaz and chrysoberyl drop earrings, the top set with a pear-shaped pink topaz, surrounded by gold filigree decorations, suspending a larger oval pink topaz in a similar surround, the topazes weighing approximately a total of 3.0 carats, with two round chrysoberyls set at the top and the bottom, with total estimated weight 0.40 carat, to a shepherd-hook fitting, total length 4.4cm, gross weight 6.4 grams, circa 1830s.