A stunning 4.60 carat Alexandrite sparkles in this beautiful ring. Changing from blue green to deep violet, this GIA-certified stone is flanked by two oval brilliant-cut diamonds, weighing an impressive 1.53 total carats and set in platinum, the size of this Alexandrite is amazing. An intriguing stone with a noble history, Alexandrites of this caliber are exceptionally rare. One of the most valuable gemstones in the world, its most unique property is the spectacular change of color. This color change depends on the stone’s reaction to different types of light. It displays a lovely greenish hue in daylight, and a beautiful purplish-red color in incandescent light.The first Alexandrite was discovered in Russia in 1834 on the birthday of Czar