Lot 191. A Mughal gem-set and enamelled gold archer's ring, North India, circa 18th-19th century. Estimate 8,000 — 12,000 USD. © Sotheby's.

beveled edge, polychrome enamels, set in the kundan technique with turquoise, diamonds and pearls; 4.7cm. 

Sotheby's. Arts of the Islamic World, London, 25 oct. 2017, 10:30 AM