Title: 6.58ct Natural Tanzanite — Deep Blue Violet — IGI Certified — Oval Mixed Cut
Description: Beautiful natural tanzanite weighing 6.58 carats. 
Oval mixed cut displaying a striking deep blue violet colour. 
Semi-transparent stone with natural internal inclusions. 
Comes with full IGI certification — report no. 83966205, dated September 2026. 
Dimensions: 12.00 × 9.96 × 7.46 mm. 
Tanzanites are commonly enhanced by heat; indicative evidence of enhancement is typically lacking for this gemstone type.
Original certificate included.
Condition: New
Delivery/collection options: this lot is courier delivery only, collection not available
Location: BL9
Category: Jewellery