This vintage Mid-Century cocktail ring features a .26 carat round cut green tourmaline center stone surrounded by 18 additional green tourmaline accents (.12 carats each) set in 18 karat yellow gold. The distinctive Sputnik-inspired dome design creates an architectural, space-age effect that radiates outward from the center, bringing the total gemstone weight to 2.42 carats.  With the gemstones vibrant green color and the three-dimensional structure showcases the bold, innovative jewelry design approach that characterized the Mid-Century period.