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 finest objects brought to you by {name}

Alberto Fidalgo

Natural Swiss blue topaz.
Cut: cushion.
Weight: 63.85 ct.
 
Measurements: 26.40 x 18.09 x 13.60 mm.

Colour: blue.
Clarity: eye-clean.
Treatment: irradiated.
Origin: Brazil.
*The country of origin is based on the seller's opinion*
Certificate from the specialist No. 010494.
Internal reference: 8317
Insured shipping via courier mail. 
Important: shipping to Sicily, Corsica or Sardinia carries a €10 surcharge.
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 resale. For resale purposes, the gemstone must have an accredited lab certificate from our list.

Brazil - Cushion - No Certification

Swiss Blue Topaz - 63.85 ct

Gemstones

Reserve price

No reserve price

Buy now

Budget

From

Closing date

Sunday

Saturday

tomorrow

Tuesday

Monday

Wednesday

Location

Thailand

Spain

India

The Netherlands

Germany

Italy

Belgium

Portugal

Poland

Singapore

Israel

United Kingdom

France

Bulgaria

Hong Kong

Austria

Sweden

Switzerland

Canary Islands

Slovak Republic

United States

Cyprus

Greece

Romania

Taiwan

Object

Faceted gemstone

Gemstone cabochon

Diamond

Country of origin

No origin given

Zambia

Tanzania

Ethiopia

Sri Lanka

Myanmar/Burma

Brazil

Colombia

Mozambique

Madagascar

Pakistan

Russia

Africa

Unknown

Afghanistan

Rwanda

Türkiye

Nigeria

Australia

Cambodia

Kenya

Vietnam

Stone

Sapphire

Emerald

Tanzanite

Spinel

Opal

Aquamarine

Topaz

Ruby

Tourmaline

Tsavorite

Kunzite

Zircon

Amethyst

Garnet

Beryl

Fluorite

Peridot

Spodumene

Citrine

Sphalerite

Sphene

Tourmaline paraiba

Heliodor

Alexandrite

Morganite

Certification

International Gemological Institute (IGI)

Antwerp Laboratory for Gemstone Testing (ALGT)

International Colored Gemstone Association (ICA GemLab)

Instituto Gemólogico Español (IGE)

Gemological Institute of America (GIA)

Gem Report Antwerp (GRA)

Lotus Gemology

Bellerophon Gemlab

Gem research Swiss Lab (GRS)

Asian Institute of Gemological Sciences (AIGS)

Guild Gem Laboratory

No laboratory report

GEM-TECH Istituto Gemmologico

Netherlands Gem Laboratory (NEL)

Colour

Blue

Green

Pink

Yellow

Purple

Violet

Orange

White

Multicolour

Brown

Grey

Bi-colour

Colourless

Black

Oval

Mixed cut

Cushion

Pear

Octagon

Modified brilliant cut

Step cut

Emerald cut

Faceted cut

Brilliant cut

Cabochon cut

Round

Heart

Rectangle

Square

Triangle

Modified cut

Pear shape cut

Fancy

Drop

Mixed shape

Cut cornered square

Marquise

Trilliant cut

Clarity

Eye clean

Slight

Loupe clean

Moderate

Heavy

Severe

Not specified in lab report

Diamond weight

>6.00

Pearl luster

Excellent

Very good

Good

Fair

Gemstone transparency

Transparent

Semi-transparent

Translucent

Semi-translucent

Opaque

Optical effect (gemstones)

Play of colour

Colour change

Opalescence

Fluorescence

Chatoyancy

Adularescence

Tenebrescence

Asterism

Iridescence

Diamond type

Natural

Treatment

No evidence of treatment

Gemstones

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

Swiss Blue Topaz - 63.85 ct

Popular in Gemstones

1770 objects

Related collections