Vintage Alexandrite Engagement ring set Rose/White gold for women, Pear shaped alexandrite with half eternity moissanites,Curved diamond band,Anniversary gifts for her,the moissanites can be replaced with diamonds,its price is $1085Product Information Engagement Ring: Metal Sterling Silver, 10k/14k/18k gold, Platinum Center Stone Alexandrite Shape Pear Weight approx 1.2carat Size 6x8mm Accent stones Moissanite Set Prong, Pave Set Alexandrite. Whether extracted from nature or created in a lab,alexandrite engagement ringsare a quick change artist, often noted as the ¡ãemerald by day, ruby by night¡À gemstone. ... Its 8.5 Mohs scale of hardness ranking make it agoodcontender forengagement ringsWhether extracted from nature or createdin a lab, alexandrite engagement rings are a quick change artist, often noted as the ¡ãemerald by day, ruby by night¡À gemstone. When this gemstone was first discovered in Russia in 1834, it was mistaken foremerald. It wasn¡¥t until the light changed that the miners realized they had discovered an entirely new gemstone, and it was given the name ¡ãalexandrite¡À for the Russian Tsar Alexander II. Glistening under sunlight, alexandrite stones appear a vivacious teal-green color, but when paired with artificial or incandescent light, a deep purple or magenta color takes over. With such duality, alexandrite engagement rings are perfect for the free spirited soul.