These are recently made antique-style earrings. The earrings are handcrafted in silver topped 14K gold and set with a pair of old cut c.1930s Russian demantoids surrounded by old mine cut diamonds.
The demantoids measure 6.15 x 3.8 mm and are approximately 1 carat each / 2 carats total.
Estimated total diamond weight is 1.80 cts.
Diameter is 12 mm (about 1/2 in.)
Total length with ear wire is 28 mm (1 1/16in.)