Alberto Fidalgo

Coloured Gemstones Auction

ALGT Colored Stone Identification Report n. 50983951 (25 September, 2026)
Natural Quartz
Ametrine
Pear Shape, Checkered Cut
Ct. 20.65
22.92 x 13.24 x 11.22
Pinkish Purple/Brownish Orange
Transparent
No Indications of Treatment

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No reserve price - 1 pcs  Purple, Orange, Bi-colour Ametrine  - 20.65 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

No evidence of treatment-  Lab report: 50983951

Italy

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Private collector. Offers selected colored gems.

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Ametrine, 1 stone, 20.65 ct, pear shape with a checkered cut, pinkish purple and brownish orange, transparent, no indications of treatment, ALGT laboratory report no. 50983951.

No reserve price - 1 pcs Purple, Orange, Bi-colour Ametrine - 20.65 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

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Ametrine, 1 stone, 20.65 ct, pear shape with a checkered cut, pinkish purple and brownish orange, transparent, no indications of treatment, ALGT laboratory report no. 50983951.

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