Color-change sapphires are found almost exclusively in Madagascar and Africa in very small quantities. What Is The Availability Of These Gems?Ĭolor change sapphires are usually small, and because rough is rare, they are not normally supplied in calibrated sizes. eye-clean stones are extremely rare, and most collectors are content with slightly included color change gems.Īn emerald cut color change sapphire. Their value is based less on how attractive their alternating colors are, and more on how dramatic and complete the change of color.įor color-change sapphires, clarity is far less important than the degree of color-change. The color change phenomenon rarely alternates between bold or saturated hues but it makes these stones prized items for gem connoisseurs. Many sapphires shift color between purple and violet under different lighting conditions, but a few rare and exceptional sapphires change color dramatically – from grayish or greenish-blue in daylight or fluorescent lighting, to brownish-red in incandescent light.Ī slightly included radiant cut color change sapphire. Other color change sapphires occasionally come in red to brown, green to red, and green to yellowish green. Large sizes with strong color change can be especially valuable and demand very high prices. This means that the stronger the percentage of the color change, the more expensive the sapphire. Some color change sapphires will have only a slight visual change, while others have incredible 100% change of color. These sapphires have various color change intensities from one stone to the next. Most color change sapphires come from Sri Lanka and Tanzania, with new material being produced recently in Madagascar as well. Rare and entertaining, these sapphires are like owning two types of stones for the price of one. The most prevalent type of color change sapphires are ones that show a blue color in fluorescent light and a purple color in incandescent light.Ī selection of different examples of the color change phenomenon in sapphires. Color change sapphires will show one color in fluorescent lighting and another color in incandescent lighting. These sapphires have the exceptionally rare attribute of changing colors. Most people do not believe color change sapphires exist until they see them in person. An oval color change sapphire showing its shift.
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