Antique Engagement Ring Art Deco .58ct Old European Cut Diamond in 18k Yellow, White & Rose GoldA rare find, this original Art Deco engagement ring is finished in a trio of metals. The shank and body of the ring are finished in 18k white gold, which holds the prong set . 58 carat old European cut diamond. To each side, an orange blossom motif is beautifully inlaid in 18k yellow gold which surrounds a rich 18k rose gold geometric pattern. Between the two metals, finely laid back enamel creates a stack contrast for the metals. Though rare, it is a