Exceptional Tanzanite Emerald Cut Set in 14kt Yellow GoldDescription Measurements Questions A very unique Tanzanite ring. This emerald cut Tanzanite is set in 14kt yelow gold. A more open design look that puts the attention right on the beautiful vivid Tanzanite gemstone. One blue violet exceptional color, GIA Type I Clarity SI1, emerald cut tanzanite. The tanzanite weighs 2. 72 carats, measures 7 mm wide by 9 mm long, and is prong set. The ring weighs 4. 57 grams. We understand that this is a big purchase.