Amethyst 28.62 ct Purple Blue!

 

IF - No Inclusions under 10x Loupe

VVS - Inclusions not visible to naked eye

VS - Barely see inclusion

SI - Slight Inclusion

I - Many Inclusions

I've indicated HYDROTHERMAL under treatment.  WHY: This is a genuine Amethyst, showing all the characteristics of amethyst and was sold to me as a natural stone. However most experts I've consulted say that with stones this large, the possibility is 99.5% that its a synthetic, most likely produced by the hydrothermal method, resulting in stones that are identical to natural stones. Definitive testing would require sending it to a lab e.g. EGL in JHB which charges R275/ct (in this case R6000 plus). Also it is possible some of the tests would be destructive. Simply put: I can't (& the gemologists I 've spoken to wouldn't) put pen to paper certifying that its 100 % natural or synthetic, without lab certification. So I've indicated hydrothermal to denote the possibility. 

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