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RTBF-2347179 RTBF-2347179

Black Star Sapphire
Quantity: 1 Pc
Total Weight: 4.40 Ct.
Size approx: 9.9 x 8.3 x 4.7 mm
Clarity: Opaque
Shape: Oval Cabochon
Color: Black
Hardness: 9
Treatments: No indication of treatment
Origin: Thailand

Treatment declarations and the country of origin is the opinion of the seller and is not substantiated by an official laboratory. 

International shipping via registered mail and tracking. 

Buyer is responsible for all import / export expenses, customs duties and shipping charges.

Cabochon, Oval - No Certification

1 pcs Black Star Sapphire - 4.40 ct

Gemstones

Reserve price

No reserve price

Buy now

Closing date

Thursday

Friday

tomorrow

1 December

today

Wednesday

Tuesday

30 November

Monday

2 December

Budget

From

Location

Spain

Thailand

Germany

The Netherlands

France

Portugal

Italy

India

Singapore

Israel

Bulgaria

Poland

United States

Hong Kong

United Kingdom

Taiwan

Czech Republic

Belgium

Sweden

Switzerland

Austria

Slovak Republic

Malta

Greece

Hungary

Object

Faceted gemstone

Gemstone cabochon

Country of origin

Zambia

Sri Lanka

Tanzania

Ethiopia

Mozambique

Brazil

Myanmar/Burma

Pakistan

Madagascar

Afghanistan

Colombia

Africa

Kenya

Bolivia

Australia

Cambodia

Russia

Türkiye

Mexico

No origin given

Namibia

Vietnam

Material

Sapphire

Emerald

Spinel

Topaz

Opal

Aquamarine

Tourmaline

Tanzanite

Imperial Topaz

Fluorite

Garnet

Ruby

Zircon

Sphalerite

Star Sapphire

Stone

Amethyst

Kunzite

Tourmaline paraiba

Peridot

Tsavorite

Citrine

Beryl

Morganite

Sphene

Ametrine

Kyanite

Fire Opal

Rhodolite

Certification

International Gemological Institute (IGI)

Certified gemologist report

Antwerp Laboratory for Gemstone Testing (ALGT)

No laboratory report

Instituto Gemólogico Español (IGE)

Lotus Gemology

Gemological Institute of America (GIA)

International Colored Gemstone Association (ICA GemLab)

Asian Institute of Gemological Sciences (AIGS)

Bellerophon Gemlab

Gem Report Antwerp (GRA)

Gem research Swiss Lab (GRS)

ALGT (B)

Certified Gemologist

Lotus (Thailand)

Gübelin Gem Lab

GEM-TECH Istituto Gemmologico

GRS (Gem Research Swiss Lab)

International Jewellery & Gems Certifiers (IJGC)

Istituto Gemmologico Italiano (IGI)

C. Dunaigre Gem Lab (CD)

Gemewizard Gemological Laboratory (GWLab)

Netherlands Gem Laboratory (NEL)

Colour

Blue

Green

Pink

Violet

Purple

Yellow

Orange

Multicolour

Brown

White

Bi-colour

Grey

Black

Colourless

Oval

Mixed cut

Cushion

Pear

Faceted cut

Octagon

Round

Emerald cut

Brilliant cut

Cabochon cut

Step cut

Modified brilliant cut

Rectangle

Heart

Square

Triangle

Mixed shape

Marquise

Fancy

Pear shape cut

Modified cut

Drop

Fantasy

Carving cut

Clarity

Eye clean

Loupe clean

Slight

Transparent

Moderate

Heavy

Severe

Semi transparent

Opaque

No evidence of treatment

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Heat treatment

No Reserve Price - 10 pcs  Blue Sapphire  - 2.16 ct - No laboratory report

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Commonly heated with no evidence of treatment

No Reserve Price - 8 pcs  Sapphire  - 1.99 ct - Certified gemologist report - Navy blue

Gemstones

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

1 pcs Black Star Sapphire - 4.40 ct

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Gemstones

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

1 pcs Black Star Sapphire - 4.40 ct

2822 objects

Related collections