Tanzanite Round 1.77 CaratsWeight: 1. 77ct Cut: Round Color: 40% Blue 60% Violet Size: 7mm wide x 7 mm long x 5. 2mm deep Clarity: VS1 Rating: 920 1000 Origin: Tanzania Treatment: Heated Cut Grade: Good One 1. 77 carats round brilliant cut tanzanite, blue violet vivid (40%blue 60%violet) color, VS1 clarity, cut grade good, measuring 7 mm wide, 7 mm long, 5. 2 mm deep; with good polish and very good symmetry. Tanzanite is heated to enhance color. The overall quality rating of