Interiors & Decorations

Jewellery & Precious Stones

Watches, Pens & Lighters

Fashion

Coins & Stamps

Comics & Animation

Classic Cars, Motorcycles & Automobilia

Wine, Whisky & Spirits

Asian & Tribal Art

Trading Cards

Toys & Models

Archaeology & Natural History

Sports

Music, Movies & Cameras

Books & Historical Memorabilia

The best in gemstones and diamonds brought to you by {name}


Ghene Menezes

ALGT COLORED STONE IDENTIFICATION REPORT
IDENTIFICATION
Species .......................................................................................................... Natural Topaz
Variety .............................................................................................................. Brown Topaz
DESCRIPTION
Shape & Cutting Style ............................................................... Oval, Checkered Cut
Measurements .................................................................. 28.89 x 20.09 x 10.34 mm
Carat Weight ................................................................................................... 48.73 Carat
Color .............................................................................. Light to Deep Brown (Uneven)
Transparency .................................................................................................. Transparent
COMMENTS
Brown 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.
02 February, 2026
19030557

Commonly irradiated with no evidence of treatment-  Lab report: 19030557

1 pcs  Brown Topaz  - 48.73 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

Whisky

Reserve price

No reserve price

Closing date

tomorrow

7 June

today

6 June

Monday

Friday

Wednesday

Tuesday

Thursday

8 June

Budget

From

Location

Germany

Italy

France

Belgium

The Netherlands

Spain

Portugal

Taiwan

Japan

Poland

Hungary

Switzerland

Hong Kong

Czech Republic

Andorra

Austria

Slovak Republic

Greece

Lithuania

Denmark

Romania

Sweden

United States

Bulgaria

Estonia

Brand

Macallan

Jack Daniel's

Johnnie Walker

Ardbeg

Hibiki

Glenfarclas

Yamazaki

Glenfiddich

Karuizawa

Springbank

Bowmore

Royal Salute

Aberlour

Caol Ila

Laphroaig

Ballantine's

Balvenie

James Martin's

Chivas Regal

Glen Grant

Glenmorangie

Blanton's

Chichibu

Matsui

Bushmills

Object

Single malt whisky

Scotch whisky

Blended whisky

Tennessee whiskey

Japanese whisky

Bourbon whiskey

Irish whiskey

Malt whisky

Blended malt whisky

Single grain whisky

Pure malt

American whiskey

Single pot still whiskey

Canadian whisky

Single malt whisky 

Rye whisky

Drinking set for 6

Whisky glass

Blended grain whisky

Grain whisky

Country of origin

Scotland

Speyside

Islay

Highlands

Ireland

Lowlands

Campbeltown

Isle of Skye

Canada

England

Isle of Jura

Orkney

Isle of Mull

Australia

Wales

Isle of Arran

Israel

Norway

Bottle size

70cl

700ml

75cl

1 Litre

750ml

50cl

20cl

2 Litres

1.5 Litres

35cl

37.5cl

300cl

75.7cl

3 Litres

72cl

180ml

10cl

1.0 Litre

2.25 Litres

Material

Glass

Leather

Metal

Condition

As new - unused

Excellent condition: barely used with minimal signs of wear

Period

1970s

1980s

1990s

2010s

2020s

2000s

1960s

2020+

1950s

Style

Contemporary

Colour

Transparent

Green

Turquoise

Alcohol Percent List

57.1%

46.5%

48.3%

48.5%

50.5%

45.8%

47.8%

43.4%

43.8%

45.5%

46.8%

48.2%

After 2000

Bottler

Suntory

Signatory Vintage

Gordon & MacPhail

Douglas Laing

Nikka

Murray McDavid

Wilson & Morgan

The Whisky Agency

Best Dram

Moon Import

Hidden Spirits

Duncan Taylor

Samaroli

Berry Bros. & Rudd.

Stitzel-Weller

Whisky

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

1 pcs Brown Topaz - 48.73 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

Popular in Whisky

1980 objects

Related collections