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High Precision Cut Gemstone

The Goal Of Precision Cutting Is To Create A Unique, High-quality Gemstone With Precise Angles, Facets, And Symmetry. 
This Type Of Cutting Is Done To Enhance The Gemstone's Beauty And Value, And To Optimize Its Color, Clarity, And Overall Appearance.

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Trade Name: London Blue Topaz

October 5, 2023
Igi Report Number 598370167

Species Natural Topaz
Shape And Cutting Style Triangular Mixed Cut
Weight 20.76 Carats
Measurements 16.98 X 16.87 X 10.90 Mm
Color And Transparency Intense Greenish Blue, Transparent

Comments:
Topaz Can Be Enhanced By Heat And Irradiation; Indicative Evidence Is Typically Lacking


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* We pack & ship all of our orders with great care and use an express courier service for delivery.

Shipping method
- We use the most reliable couriers, FedEx
- A tracking number will be provided for each shipment

Customs Formalities
- Customs and import fees are the sole responsibility of the buyer
- We cannot be held responsible for any charges incurred on importing jewelry to the buyer's country of residence

Special Notes for (French, Portuguese, and Canary Island) Customer

- Buyers from French, Portuguese, and Canary Islands need a customs agent broker to clear the shipment
- Please pay attention that usually a designated customs broker will have to be appointed by the client in order to release the package from customs.

Cancel/withdraw the Purchase item
- If the winning bidder decides to cancel/withdraw they will bear the risk, cost of all shipping, and return import duties of the seller

* Also, the shipping fee does NOT include customs and import fees. VAT and other customs fees are the sole responsibility of the buyer. To avoid shipping delays, please make sure that your catawiki shipping details are up to date.

High precision cut - IGI

1 pcs [High Precision Cut] - (Intense Greenish Blue) - London Topaz - 20.76 ct

Gemstones

Reserve price

No reserve price

Buy now

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tomorrow

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18 December

Monday

19 December

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Certification

International Gemological Institute (IGI)

Antwerp Laboratory for Gemstone Testing (ALGT)

Certified gemologist report

Instituto Gemólogico Español (IGE)

No laboratory report

Lotus Gemology

Gemological Institute of America (GIA)

International Colored Gemstone Association (ICA GemLab)

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Asian Institute of Gemological Sciences (AIGS)

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GRS (Gem Research Swiss Lab)

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Masterstones

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Eye clean

Loupe clean

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Heat treatment

No Reserve Price Sapphire  - 0.93 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Intense Blue

No evidence of treatment

No Reserve Price Topaz  - 15.22 ct - Instituto Gemólogico Español (IGE) - Swiss Blue Topaz

Australia - No evidence of treatment

No Reserve Price Green, Yellow Sapphire  - 0.99 ct - Bellerophon Gemlab - (No Heat) Aussie Teal

No Reserve Price Amethyst  - 21.85 ct - Instituto Gemólogico Español (IGE) - Flower Cut Purple Amthyst

No Reserve Price Green, Yellow Sapphire  - 0.95 ct - Bellerophon Gemlab - (No Heat) Aussie Teal

Brazil - No evidence of treatment

Topaz  - 1.77 ct - Instituto Gemólogico Español (IGE)

No Reserve Price Purple, Red Spinel  - 1.84 ct - International Gemological Institute (IGI)

Topaz  - 1.84 ct - Instituto Gemólogico Español (IGE)

Africa - No evidence of treatment

No Reserve Price - 1 pcs  Purple Garnet  - 2.22 ct - International Gemological Institute (IGI)

Gemstones

This object is no longer available, but there’s still lots to explore

1 pcs [High Precision Cut] - (Intense Greenish Blue) - London Topaz - 20.76 ct

2445 objects

Related collections

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Gemstones

This object is no longer available, but there’s still lots to explore

1 pcs [High Precision Cut] - (Intense Greenish Blue) - London Topaz - 20.76 ct

2445 objects

Related collections