Absolutely stunning color changing Sapphire. The price of a color change sapphire can range from $100 to $5,000 per carat, depending on its size and quality with stones over 1 carat being increasingly rare and valuble. For example, a 5.82 carat color change sapphire from Ceylon (Sri Lanka) might cost $7,440.03 per carat. Color change sapphires are rare, making up only 0.01% of corundum. They are prized by gem connoisseurs for their dramatic color change and are a very durable gemstone with a Mohs hardness of 9. The trace element vanadium is believed to be responsible for the color change effect. The colors on this sapphire range from bright purple, to deep blue, blue green, and Indigo. Add to that the awe-inspiring property of color changing, and you have a tuly gorgeous stone. This beautiful 2.77 carat, 8mm round brilliant sapphire is absolutely incredible in person! *Please Note that the holder used to display the stone is not a ring, and is not part of the listing, thank you!*