Like HALLMARK is for Gold, NATURALMARK is for natural diamonds. https://www.heerazhaveraat.com/heera/index.php/news/details/13083
NATURALMARK Lab Pvt Ltd
1, Balajee Metler, Dalagya Moholla, opp. Heera bazar Police Chowki, Mahidharpura, Surat- 395003
Customer Care : 9377150044
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