Vintage 20 Carat Kunzite Cocktail Ring in 18k Yellow Gold.  This lovely Mid-Century cocktail ring features a 20.73 carat oval cut kunzite set in 18 karat yellow gold. The soft pink color of this chunky oval has such amazing refraction above the warm 18 karat yellow gold mounting. The shank has a wonderfully smooth and puffy braided design that adds some light-hearted charm to this wonderful colored gemstone.