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High quality,

Weight: 53.88 ct
Size: 28.01 x 20.02 x 13.28 mm
Shape: Oval Concave.
Color: Blue.
Clarity: Eye clean.
Treatment: Blue Topaz is commonly irradiated to provide its color. Wether or not this gemstone has been enhanced by irradiatioin cannot currently be determined.
Origin: Brazil (this is the seller´s gemological opinion only, it is not mentioned on the report).
IGE Certificate D-25243

Sending via registered insured mail with tracking number

Oval - IGE (Madrid)

Topaz - 53.88 ct

Gemstones

Reserve price

No reserve price

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Closing date

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3 December

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Location

Spain

Thailand

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Belgium

Taiwan

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Austria

Slovak Republic

Malta

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Hungary

Object

Faceted gemstone

Gemstone cabochon

Country of origin

Zambia

Myanmar/Burma

Tanzania

Ethiopia

Sri Lanka

Brazil

Mozambique

Pakistan

Madagascar

Afghanistan

Cambodia

Colombia

Africa

Bolivia

Kenya

Russia

Türkiye

Australia

Mexico

Vietnam

No origin given

Namibia

Material

Emerald

Sapphire

Topaz

Spinel

Opal

Garnet

Tourmaline

Aquamarine

Fluorite

Ruby

Tanzanite

Sphalerite

Star Sapphire

Stone

Amethyst

Kunzite

Peridot

Citrine

Zircon

Beryl

Tsavorite

Fire Opal

Morganite

Tourmaline paraiba

Kyanite

Ametrine

Sphene

Certification

International Gemological Institute (IGI)

Antwerp Laboratory for Gemstone Testing (ALGT)

Certified gemologist report

Instituto Gemólogico Español (IGE)

No laboratory report

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)

ALGT (B)

Certified Gemologist

Gem research Swiss Lab (GRS)

GEM-TECH Istituto Gemmologico

IGE (Madrid)

International Jewellery & Gems Certifiers (IJGC)

Gübelin Gem Lab

Istituto Gemmologico Italiano (IGI)

Gemewizard Gemological Laboratory (GWLab)

Masterstones

Lotus (Thailand)

Colour

Blue

Green

Pink

Violet

Purple

Yellow

Orange

Brown

Multicolour

White

Bi-colour

Grey

Black

Colourless

Oval

Mixed cut

Cushion

Pear

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Faceted cut

Emerald cut

Round

Brilliant cut

Cabochon cut

Step cut

Rectangle

Modified brilliant cut

Heart

Square

Triangle

Marquise

Mixed shape

Pear shape cut

Fancy

Modified cut

Radiant

Fantasy

Drop

Clarity

Eye clean

Loupe clean

Slight

Transparent

Moderate

Severe

Heavy

Semi transparent

Translucent

Opaque

Transparent (Clean)

No evidence of treatment

No Reserve Price Sapphire  - 4.40 ct - Lotus Gemology - Deep Blue

Not specified in the report

No Reserve Price Grey Opal  - 10.28 ct - International Gemological Institute (IGI)

Oiling

No Reserve Price Green Emerald  - 1.06 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

No Reserve Price Sapphire  - 3.01 ct - International Colored Gemstone Association (ICA GemLab) - No Heat - Intense Blue

No Reserve Price - 2 pcs  Fluorite  - 56.38 ct - Certified gemologist report - multiple colors

No Reserve Price - 4 pcs  Peridot  - 4.62 ct - Certified gemologist report - intense green-gold

Commonly heated with no evidence of treatment

No Reserve Price Tanzanite  - 3.09 ct - International Gemological Institute (IGI)

No Reserve Price Kyanite  - 2.27 ct - Certified gemologist report - natural orange

Commonly heated with no evidence of treatment, Commonly irradiated with no evidence of treatment

No Reserve Price - 7 pcs  Topaz  - 20.28 ct - Certified gemologist report - bright sky blue

Brazil - Commonly irradiated with no evidence of treatment

No Reserve Price - 10 pcs  Topaz  - 15.24 ct - No laboratory report

Gemstones

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

Topaz - 53.88 ct

2151 objects

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Gemstones

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

Topaz - 53.88 ct

2151 objects

Related collections