Pair of tanzanite stud earrings Tanzanites are trillion brilliant cuts Tanzanites each measure about 5x5 Total carat weight is 1.00cttw Saturation and hue are a medium blue/purple Stones are set in 14K yellow gold stud earring mountings 3 prong basket style settings Post and nut friction backs Purchased from a high end local jewelry store for $550 Certified by a GIA accredited gemologist