7.78 Emerald Cut Tourmaline Diamond Ring in 14k Yellow Gold.  This modern ring features a 7.78 carat green tourmaline and .66 carats of diamonds finished in 14 karat yellow gold. The tourmaline has a medium forest green hue and sleek, elongated facets. The center stone is prong set and flanked by two (2) .33 carat near colorless diamonds. The brilliant diamonds are eye clean and prong set on a 14k yellow gold band. From the profile, the stones are set in a closed basket mounting and finished on a thick, flat profile band for added comfort and support.