Signed Cartier 'Juste un Clou' 18k Yellow Gold Diamond Ring

"With Juste un Clou, Cartier enhances the design of a basic shape by transforming a simple nail into a piece of jewelry. Designed for Cartier New York in the 1970s, this Cartier design icon combines pure lines, precise form, accurate proportions and precious details." -Cartier website  Ring comes with full set of box and certificates. ID#: RG989 Diamonds: Pavé set, round brilliant cut diamonds with a total estimated 0.08ct diamond weight.  Metal: 18k yellow gold  Size: ~8 1/2 Band Width: 1.8mm  Weight: 3.59g