All of our stones are natural. The sapphires marked Enhancement: none (N) are not heat-treated, untreated in any way. Their color is 100% natural. (This is relatively rare on the market.)

We use to buy our stones on the mines, our sapphires have been extracted by our team and their cut as been realized in our workshop by our own lapidaries.

Thus, we can guarantee their origin and that they are 100% natural, untreated! This is the best way to keep the control on the nature and on the origin of our stones. 

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                                      Star sapphire catalogue