A large natural orange topaz loose gemstone, weighing an imp...
A large natural orange topaz loose gemstone, weighing an impressive 28.50 carats, displaying an attractive yellowish-orange colour, of cushion shape with brilliant and modified step cut faceting, measuring 18.55 x 13.85 x 11.84mm. Transparent with good lustre, accompanied by an ICA GemLab identification report confirming the gemstone as natural topaz. The report notes that topaz is commonly heated or irradiated to enhance its colour and that the colour's natural origin cannot currently be determined. Complete with original gemmological certificate and protective wallet.
A large natural orange topaz loose gemstone, weighing an impressive 28.50 carats, displaying an attractive yellowish-orange colour, of cushion shape with brilliant and modified step cut faceting, measuring 18.55 x 13.85 x 11.84mm. Transparent with good lustre, accompanied by an ICA GemLab identification report confirming the gemstone as natural topaz. The report notes that topaz is commonly heated or irradiated to enhance its colour and that the colour's natural origin cannot currently be determined. Complete with original gemmological certificate and protective wallet.