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

Natural Deep Blue Sapphire - 0.80 Carat - original ALGT Report and sealed,

ALGT Report Number: 41727108
Antwerp, 30 August 2023

Species: Natural Corundum
Variety: Sapphire

Shape and Cut: Cushion, Mixed Cut
Weight: 0.80 Carat
Measurements: 4.89 x 4.82 x 3.77 mm
Color: Deep Blue
Transparency: Transparent 
Comments: Indications of heating present.

*Origin: Sri Lanka. Country of origin is an opinion offered by the seller of this item.
This opinion is not substantiated by an official laboratory.

Delivery: Registered shipping with insurance and tracking number.

Perfectly suited as an investment, collector's item or for use in a jewellery setting.  
Sealed and original ALGT Report Num. 41727108.

Cushion - ALGT (B)

deep blue Sapphire - 0.80 ct

Gemstones

Reserve price

No reserve price

Closing date

Sunday

tomorrow

Monday

Tuesday

Wednesday

23 January

24 January

Thursday

25 January

Budget

From

Location

Thailand

Spain

India

Germany

Israel

The Netherlands

Portugal

Singapore

United Kingdom

Italy

France

United States

Greece

Belgium

Sweden

Austria

Poland

Switzerland

Hong Kong

Canary Islands

Slovak Republic

Ireland

Czech Republic

Norway

Bulgaria

Object

Faceted gemstone

Gemstone cabochon

Country of origin

No origin given

Zambia

Sri Lanka

Myanmar/Burma

Tanzania

Colombia

Ethiopia

Mozambique

Madagascar

Africa

Brazil

Pakistan

Afghanistan

Russia

Nigeria

Unknown

Türkiye

Vietnam

Australia

Kenya

Uruguay

Bolivia

Mali

Stone

Sapphire

Emerald

Tanzanite

Spinel

Aquamarine

Opal

Topaz

Tourmaline

Ruby

Kunzite

Tourmaline paraiba

Tsavorite

Peridot

Garnet

Mixed gemstones

Alexandrite

Amethyst

Zircon

Morganite

Beryl

Sphalerite

Sapphire padparadscha

Citrine

Fluorite

Spodumene

Certification

International Gemological Institute (IGI)

International Colored Gemstone Association (ICA GemLab)

Antwerp Laboratory for Gemstone Testing (ALGT)

Instituto Gemólogico Español (IGE)

Gemological Institute of America (GIA)

Lotus Gemology

Bellerophon Gemlab

Gem research Swiss Lab (GRS)

Gem Report Antwerp (GRA)

Asian Institute of Gemological Sciences (AIGS)

Guild Gem Laboratory

GEM-TECH Istituto Gemmologico

Istituto Gemmologico Italiano (IGI)

No laboratory report

Gübelin Gem Lab

Colour

Blue

Green

Pink

Yellow

Violet

Purple

Orange

White

Multicolour

Brown

Grey

Bi-colour

Colourless

Black

Oval

Mixed cut

Cushion

Pear

Modified brilliant cut

Faceted cut

Octagon

Brilliant cut

Step cut

Emerald cut

Cabochon cut

Round

Rectangle

Heart

Modified cut

Square

Triangle

Fancy

Pear shape cut

Marquise

Baguette cut

Squared emerald cut

Cut cornered square

Trilliant cut

Clarity

Eye clean

Slight

Loupe clean

Moderate

Heavy

Severe

Treatment

No evidence of treatment

No heat treatment

Heat treatment

Oiling

Commonly heated with no evidence of treatment

Not specified in the report

Clarity enhancement

Commonly irradiated with no evidence of treatment

Irradiation

High pressure, High temperature (HPHT) treatment

Fracture healing / filling

Heated

Gemstone transparency

Transparent

Semi-transparent

Translucent

Opaque

Semi-translucent

Pearl luster

Excellent

Good

Very good

Optical effect (gemstones)

Play of colour

Colour change

Fluorescence

Gemstones

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

deep blue Sapphire - 0.80 ct

Popular in Gemstones

1999 objects

Related collections