Zoom icon Click or scroll to zoom Tap to zoom Chevron down icon Chevron down icon 1.66ct | Brilliant Cut Cushion Shape Blue Montana Sapphire SKU CSS2599 $3,490.00 | / Carat: 1.66ct Cut: Brilliant Shape: Cushion Color: Blue Gemstone: Montana Sapphire Measurement: 6.82 x 6.26 x 4.00 MM Certificate: No 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon