This is a natural earth mined Alexandrite & Tsavorite Garnet ring. The gemstones are natural Alexandrite weighting:1.05 carats, cut in the oval shape, measures:5.0 x 7.0mm, clarity: VS2, graded at a 80 to 85% color change. Alexandrite is known for its ability to go from green color in natural sunlite to red in artificial incandescent light.( Known as a emerald by day and ruby in night). Alexandrite is part of the Chrysoberyl species, 8 1/2 on the hardness scale, double refractive, with a 1.75 on the refractive index. The two stones on each side of the Alex. are Tsavorite Garnets, another rare stone of the garnet species, they weight (1) .63 and the other .62 carats each, measure: 4.0 x 6.0mm, cut in the oval shape also, clarity: VS, garnets are a 6 1/2 to 7 1/2 on the hardness scale, single refractive with a 1.89 on the refractive index, earth mined from Kenya, Africa These three gemstones are set in a 14kt yellow gold ring casting, in a resizable 7 1/2. This ring is a really beautiful piece of jewelry with collector type gemstones. It is hard to catch the color change in the pictures, this stone has great color change and I'll give a (10) ten day inspection period with a money back refund. We have 100's and 100's of different types of gemstones so if your looking for something give me a call I'm sure we'll have it. We can have this ring to you and a matching set of earrings for that special love one, make a reasonable offer.