No. 91110419

No longer available
4 pcs Blue Tanzanite - 4.26 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
Bidding closed
2 h ago

4 pcs Blue Tanzanite - 4.26 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

Purificacion Aquino Garcia

Selected by Purificacion Aquino Garcia
15 July, 2024 ALGT Report Number 83805146 IDENTIFICATION Species ................................................................................ Natural Zoisite Variety ............................................................................................ Tanzanite DESCRIPTION Shape & Cutting Style ............................................... Oval, Mixed Cut Total Carat Weight .................................................................. 4.26 Carat Color ............................ Bluish Purple to Vivid/Deep Violetish Blue Transparency ......................................................................... Transparent ADDITIONAL GRADING CHARACTERISTICS Suggested Origin ....................................................................... Tanzania COMMENTS Total 4 stones. Average carat weight: 1.06 ct. Tanzanite is commonly heated at low temperature to improve its color. There is currently no scientific method available to determine whether this gemstone has been enhanced or not.

No. 91110419

No longer available
4 pcs Blue Tanzanite - 4.26 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

4 pcs Blue Tanzanite - 4.26 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

15 July, 2024
ALGT Report Number 83805146
IDENTIFICATION
Species ................................................................................ Natural Zoisite
Variety ............................................................................................ Tanzanite
DESCRIPTION
Shape & Cutting Style ............................................... Oval, Mixed Cut
Total Carat Weight .................................................................. 4.26 Carat
Color ............................ Bluish Purple to Vivid/Deep Violetish Blue
Transparency ......................................................................... Transparent
ADDITIONAL GRADING CHARACTERISTICS
Suggested Origin ....................................................................... Tanzania
COMMENTS
Total 4 stones. Average carat weight: 1.06 ct.
Tanzanite is commonly heated at low temperature to
improve its color. There is currently no scientific method
available to determine whether this gemstone has been
enhanced or not.

Set a search alert
Set a search alert to get notified when new matches are available.

This object was featured in

                                        
                                                                                                    
                    
                                        
                                                                                                    
                    
                                        
                                                                                                    
                    
                                        
                                                                                                    
                    

How to buy on Catawiki

Learn more about our Buyer Protection

      1. Discover something special

      Browse through thousands of special objects selected by experts. View the photos, details and estimated value of each special object. 

      2. Place the top bid

      Find something you love and place the top bid. You can follow the auction to the end or let our system do the bidding for you. All you have to do is set a bid for the maximum amount you want to pay. 

      3. Make a secure payment

      Pay for your special object and we’ll keep your payment secure until it arrives safe and sound. We use a trusted payment system to handle all transactions. 
Start exploring

Have something similar to sell?

Whether you're new to online auctions or sell professionally, we can help you earn more for your special objects.

Sell your object