DIMENSION : 4mm to 6mm Approx. OF STONE :250 Pieces approx. To Order a Certificate for your Gem please. FEEDBACK : we strive to earn positive 5 star feedback for all items. And we will leave the same for all good buyers. If you feel we deserve anything less please send us a message before leaving anything less or opening a case and we will fix the issue within 24 hours. The item "4-6mm 74+ Ct/250 Pcs Natural Tourmaline AAA Finest Quality Untreated Gemstone" is in sale since Monday, December 25, 2017. This item is in the category "Jewelry & Watches\Loose Diamonds & Gemstones\Loose Gemstones\Tourmaline". The seller is "gems-india" and is located in Delhi, DELHI.