Alberto Fidalgo

Coloured Gemstones Auction

ALGT Colored Stone Identification Report n. 90072341 (25 September, 2026)
Natural Quartz
Amethyst
Oval Shape, Mixed Cut
Ct. 25.34
20.50 x 15.25 x 12.54
Intense Purple
Transparent
No Indications of Treatment

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No reserve price - 1 pcs  Purple Amethyst  - 24.34 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Intense Purple

No evidence of treatment-  Lab report: 90072341

Italy

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Private collector. Offers selected colored gems.

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Amethyst, 1 stone, 24.34 ct, oval mixed-cut, intense purple, transparent, no indications of treatment, ALGT report 90072341.

No reserve price - 1 pcs Purple Amethyst - 24.34 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Intense Purple

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Amethyst, 1 stone, 24.34 ct, oval mixed-cut, intense purple, transparent, no indications of treatment, ALGT report 90072341.

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