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The finest objects brought to you by {name}

Alberto Fidalgo

Topacio London Blue Natural
Talla. Oval
Peso. 10.43 ct 
Medidas. 12.01 x 8.68 x 6.48 mm... 5.12 ct
                11.92 x 8.91 x 6.66 mm... 5.31 ct
Color. Azul 
Pureza. Inclusiones Naturales
Tratamiento. Sin Indicaciones
Origen. Brasil
*El país de origen es una opinión del vendedor *
Certificado del propio especialista nº 030732
Referencia Interna. 237 - 41263
El envío se efectuará por agencia.
LOS ENVIOS A ISLAS, INCLUIDAS  SICILIA, CORCEGA Y CERDEÑA TENDRÁN UN SUPLEMENTO DE 18 EUROS
Gemstones sold in the CG auction are sold by vetted and trustworthy sellers chosen by CW; the card attached to the gemstones is for information purposes only and not for re-sale. For re-sale purposes the gemstone must have an accredited lab certificate from our list.

Brazil - Oval - No Certification

2 pcs  London Blue Topaz - 10.43 ct

Gemstones

Reserve price

No reserve price

Buy now

Closing date

tomorrow

Sunday

Saturday

21 November

Monday

Tuesday

Wednesday

23 November

22 November

24 November

25 November

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Location

Thailand

Spain

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Italy

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Portugal

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United States

Israel

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Hong Kong

Belgium

Poland

United Kingdom

Austria

Sweden

Switzerland

Czech Republic

Ireland

Slovak Republic

Cyprus

Estonia

Object

Faceted gemstone

Gemstone cabochon

Country of origin

Zambia

Sri Lanka

Tanzania

Ethiopia

Mozambique

Myanmar/Burma

Brazil

Pakistan

Afghanistan

Colombia

Africa

Madagascar

Australia

Congo

Bolivia

Mexico

Russia

Vietnam

No origin given

Türkiye

Nigeria

Material

Sapphire

Tanzanite

Spinel

Topaz

Emerald

Aquamarine

Opal

Ruby

Citrine

Apatite

Imperial Topaz

Beryl

Fire Opal

Garnet

Morganite

Tourmaline

Amethyst

Cat's Eye (Chrysoberyl)

Sphalerite

Star Sapphire

Stone

Kunzite

Peridot

Tourmaline paraiba

Zircon

Sphene

Tsavorite

Rhodolite

Ametrine

Fluorite

Spodumene

Certification

International Gemological Institute (IGI)

Antwerp Laboratory for Gemstone Testing (ALGT)

Certified gemologist report

Instituto Gemólogico Español (IGE)

No laboratory report

Lotus Gemology

International Colored Gemstone Association (ICA GemLab)

Asian Institute of Gemological Sciences (AIGS)

Gemological Institute of America (GIA)

Bellerophon Gemlab

ALGT (B)

Gem Report Antwerp (GRA)

Gem research Swiss Lab (GRS)

Lotus (Thailand)

Netherlands Gem Laboratory (NEL)

Certified Gemologist

IGE (Madrid)

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)

Colour

Blue

Green

Pink

Orange

Yellow

Violet

Purple

White

Bi-colour

Brown

Multicolour

Grey

Black

Colourless

Oval

Mixed cut

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Pear

Octagon

Faceted cut

Modified brilliant cut

Emerald cut

Cabochon cut

Round

Brilliant cut

Step cut

Rectangle

Heart

Triangle

Square

Fancy

Marquise

Mixed shape

Drop

Fantasy

Modified cut

Carving cut

Pear shape cut

Clarity

Eye clean

Loupe clean

Slight

Transparent

Moderate

Heavy

Severe

Transparent (with some inclusions)

Translucent

Opaque

Transparent (Clean)

Translucent (clean)

No evidence of treatment

No Reserve Price Ruby  - 17.66 ct - Instituto Gemólogico Español (IGE)

Heat treatment

No Reserve Price - 60 pcs  Ruby  - 2.90 ct - No laboratory report

Gemstones

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

2 pcs London Blue Topaz - 10.43 ct

2451 objects

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Gemstones

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

2 pcs London Blue Topaz - 10.43 ct

2451 objects

Related collections