Trinity Cartier Ring The Cartier ring, first designed in 1924, with the artistically intertwined intertwined rings in rose gold/yellow gold/white gold 18K. No. A9377C, width approx. 7 mm. Ring size 55, 9.9 g. The legal VAT of 7.7% will be imposed on the grand total of the auction invoice in any event (hammer price plus commission plus postage plus insurance plus possible additional services).