No. 99257640

No longer available
1 pcs White Opal - 13.02 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
Bidding closed
1 week ago

1 pcs White Opal - 13.02 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

Ghene Menezes
Expert

Selected by Ghene Menezes
ALGT COLORED STONE IDENTIFICATION REPORT IDENTIFICATION Species .............................................................................................................. Natural Opal Variety ............................................................................................................... Crystal Opal DESCRIPTION Shape & Cutting Style ......................................................................... Oval, Cabochon Measurements .................................................................... 17.82 x 14.21 x 9.78 mm Carat Weight ................................................................................................... 13.02 Carat Color ................................................................................ White + Play of Colors (Vivid) Transparency ....................................................................................... Semi-transparent ADDITIONAL GRADING CHARACTERISTICS Optical Effect .................................................................................................. Opaliscence COMMENTS No indications of treatment. 16 September, 2025 50771877

No. 99257640

No longer available
1 pcs White Opal - 13.02 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

1 pcs White Opal - 13.02 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species .............................................................................................................. Natural Opal
Variety ............................................................................................................... Crystal Opal
DESCRIPTION
Shape & Cutting Style ......................................................................... Oval, Cabochon
Measurements .................................................................... 17.82 x 14.21 x 9.78 mm
Carat Weight ................................................................................................... 13.02 Carat
Color ................................................................................ White + Play of Colors (Vivid)
Transparency ....................................................................................... Semi-transparent
ADDITIONAL GRADING CHARACTERISTICS
Optical Effect .................................................................................................. Opaliscence
COMMENTS
No indications of treatment.
16 September, 2025
50771877

Bidding closed
Ghene Menezes
Expert
Selected by Ghene Menezes
Retail Estimate  € 1,500 - € 1,800

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