14K Yellow Gold Ametrine Cocktail Ring – 1960s Retro EleganceThis stunning 1960s ring showcases a large, rectangular step cut ametrine a fascinating natural gemstone that displays both deep purple (amethyst) and warm golden yellow (citrine) in a single stone. Measuring approximately 14 x 10. 5 mm, the gem is set in a classic four prong setting, allowing maximum light to pass through and highlight its unique bicolor zoning. The 14K yellow gold mounting features a beautifully detailed shank with ribbed accents