

1720 Ct Rough Blue Sapphire vs 9.05 Ct Color-Change Alexandrite: Which Certified Loose Gemstone Fits?
A 1,720-carat rough blue sapphire for USD 24.99 faces a 9.05-carat color-change alexandrite for USD 39.99. Both are certified and eye-clean, but one is raw and uncut while the other is a faceted cushion cut.

























































