diamond and gold ring

An 18 carat yellow gold bombé ring completely pavé set with brilliant cut diamonds (in total app. 3.5 carats). Signed and numbered: Kurt Wayne for Cartier, 45623, 70487 41323.
U.S.A., circa 1980.

Ring size: 17.25 mm. 6 3/4 US.
weight: 10.2 grams