1.36 Retro Tourmaline Engagement Ring in 14k Yellow Gold.  This striking Retro engagement ring features a 1.36 carat green tourmaline in 14k yellow and white gold. Providing the highest level of fire and brilliance, this Round Brilliant cut sparkles a beautiful hue of dark forest green. The primary stone is prong set and features two petite accent diamonds, weighing .02 carats, that elegantly embellish the shoulders of the band. Reaching 5.06mm above the finger and weighing a total of 2.5 grams, this custom engagement ring is truly exceptional!