Very cool color shift CZ!  From amber to yellow/green to warm orange. These cut SPARKLING gems with a high refractive index (RI) of 2.15 - 2.18.  

These are graded quality A-B, meaning that there are minor manufactural inclusions/veils to work around.  

2 pieces / 109.95 total grams / 549.75 total carats / 274.87 average carats