ROBERTO COIN 

18K Yellow Gold Cocktail Ring with Diamonds and Rock Crystal

Size:  6.5

From the Cocktail Jewels Collection
18-karat yellow gold with satin finish
Flush-set faceted oval crystal center
Flush-set round white diamond trim, 0.35 tcw (approx.)
Wide, tapered half-round shank
Signature hidden ruby
Made in Italy

MSRP:  $4,420