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Unheated Color-Change Sapphire 1.08 (TCS108)

green to purple alexandrite-type color change sapphire
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1.08 Carat
Color Changer
Medium Dark 60
Free of Inclusions





- Identification: Natural Unheated & Untreated Color Change Sapphire

- Carat: 1.08

- Shape: Oval

- Measures: 5.03x7.06x3.55 (millimeter)

- Color Grade: Very Good

- Tone: MD60

- Color Zoning: None

- Clarity: Free of Inclusions

- Cutting Grade: Very Good

o       Brilliancy: 66%

o       Depth: 70%

- Origin: Tanzania

- Treatment: None


Certificate No: EMIL 286766


Overall Grade: Very Good+

Comment: This is the non-classic colour change in sapphire: green by day and purple at night (known also in Alexandrite and some Garnets). These sapphires come only from Tanzania to my knowledge, mostly small, with one carat already a solid size. 100% clean, sharp crystal. With a few weeks extra time we'll provide a free new certificate, which will then read 'green-purple' not 'green-violet', because EMIL is a Japanese lab and they, like the Germans, confuse violet and purple (a bit like the 'L' and the 'R'). If you don't need a new certificate we can knock-off $200. Again, as the images clearly show, the gem changes from green at day to purple at night. Often these two colours are perceived at the same time, which makes for a good show because they are so distanced on the colour-wheel. That said, these colour-changers are not like junk-food (goes down well, bores immediately) but need time and repeated study to appreciate, like, to stay in metaphor, good cheese, wine or fresh oysters. At first you may see a moss green sapphire then, next day, you get a salmon hue, and then grass green with some poppy sparks etc. plus our standard top quality features: no window, no inclusions, no treatments, free home delivery and rainforest protection. Subtract skin shade in handshot but note the clarity of the crystal (in so far as you can see through the gem like air). Bi-coloured images are force-fed under torch-light hence the harsh reflections.


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