10 Cts Natural Tanzanite Gemstone 3-4mm Round each you can expect to receive at least 50 gems from the pictured lot (TZ-60007) 10+ carats Weight (2 gram) Tanzanite Loose Natural Gemstone Tanzanite, ROUND 3.5-4MM Tanzanite . Wholesale lot price. Prepared exclusively by GemMartUSA This item comes with tags proving origin from GemMartUSA Inc. and a signed Certificate of Authenticity from GemMartUSA Inc. Gems are Round shape and each stone is sized 3-4MM. Sizes are calibrated and gems are ready to be set into jewelry 100% natural faceted gemstones and thus actual product color may vary from photo. Grade A gemstones, may contain some inclusions. GemMartUSA Inc. guarantees no chipped or cracked stones. Expect 15 or more pieces per 1 carat of gemstones. Loose natural mined real gemstones from pictured lots supplied with all pictured documentation. Please contact us for bulk order inquiries.