No. 98611206

Sold
1 pcs Blue Topaz - 39.99 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Swiss Blue
Final bid
€ 249
8 weeks ago

1 pcs Blue Topaz - 39.99 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Swiss Blue

Alberto Fidalgo
Expert

Selected by Alberto Fidalgo
Species .......................................................................................................... Natural Topaz Variety .................................................................................................................. Blue Topaz Shape & Cutting Style ......................................................................... Pear, Mixed Cut Measurements .................................................................. 23.10 x 18.09 x 13.53 mm Carat Weight ................................................................................................... 39.99 Carat Color ....................................................................................................... Intense/Vivid Blue Transparency .................................................................................................. Transparent Trade Color Name ............................................................................................ Swiss Blue Color Quality Grade .......................................................................... Fine Color Quality COMMENTS Blue topaz is commonly enhanced by irradiation and/or heating to improve its color. There is currently no scientific method available to determine whether this gemstone has been enhanced or not. 30 June, 2025 23963195

No. 98611206

Sold
1 pcs Blue Topaz - 39.99 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Swiss Blue

1 pcs Blue Topaz - 39.99 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Swiss Blue



Species .......................................................................................................... Natural Topaz
Variety .................................................................................................................. Blue Topaz


Shape & Cutting Style ......................................................................... Pear, Mixed Cut
Measurements .................................................................. 23.10 x 18.09 x 13.53 mm
Carat Weight ................................................................................................... 39.99 Carat
Color ....................................................................................................... Intense/Vivid Blue
Transparency .................................................................................................. Transparent


Trade Color Name ............................................................................................ Swiss Blue
Color Quality Grade .......................................................................... Fine Color Quality
COMMENTS
Blue topaz is commonly enhanced by irradiation and/or heating to improve
its color. There is currently no scientific method available to determine
whether this gemstone has been enhanced or not.
30 June, 2025
23963195

Final bid
€ 249
Alberto Fidalgo
Expert
Selected by Alberto Fidalgo
Retail Estimate  € 700 - € 850

Similar objects

  • ​
    ​
    ​
  • ​
    ​
    ​
  • ​
    ​
    ​
  • ​
    ​
    ​
  • ​
    ​
    ​
  • ​
    ​
    ​
  • ​
    ​
    ​
  • ​
    ​
    ​
  • ​
    ​
    ​
  • ​
    ​
    ​

For you in

Gemstones

View all
  • ​
    ​
    ​
  • ​
    ​
    ​
  • ​
    ​
    ​
  • ​
    ​
    ​
  • ​
    ​
    ​
  • ​
    ​
    ​
  • ​
    ​
    ​
  • ​
    ​
    ​
  • ​
    ​
    ​
  • ​
    ​
    ​
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