Quick view 6.00 mm {1.17 cts } Square Princess Cut Extreme Brilliancy Intense D Block Blue Tanzanite Natural {Flawless-VVS1}--AAA Grade 6.00 mm {1.17 cts } Square Princess Cut Extreme Brilliancy Intense D Block Blue Tanzanite Natural {F MSRP: Was: Now: $134.99 Add to Cart