Natural Pear 1.70ct Tanzanite Gemstone

Updated September 3, 2026

This 1.70 carat tanzanite is cut in a pear shape with dimensions of 8.55 x 6.51 x 4.33 mm and is graded AAA quality. It shows enhanced color and overall high quality, typically achieved through heat treatment that improves its appearance. Keywords: Faceted, Cabochon, Precious, Polished, Rough, Sparkling, Vibrant, Uncut, Calibrated.

Register & bid on this lot at Bidspirit →

More lots in this auction

• Rolex Date Black Dial Automatic Unisex Watch 34mm
• Gia Certified Pear Cut 1.52ct Si2 Diamond
• Igi Certified Cushion Cut 2.10ct Vvs2 Lab Diamond
• Natural Oval 1.54ct Sapphire Cluster Ring
• 18k Rose Gold Round 1.04ct Diamond Multi Row Ring
• Chanel Premiere 18k Gold-pl Women's 20mm
• Bvlgari Assioma Gray Dial Men's Watch 39mm
• Rolex Datejust 18k Gold Automatic Women's 26mm

See all lots in Rolex, Designer Bags, Diamonds, Jewelry, Coins, & More! →