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Valentina Arceci

Rare Natural Color Change Alexandrite

IGI report number : 600319460

Species : Natural Chrysoberyl
Variety: Alexandrite
Shape : Oval Mixed cut
Weight : 0.66
Size : 6.94 x 4.87 x 2.36 mm
Treatment: No indications of treatments
Color : Green / Brownish Purple 

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All photos are magnifications, taken with a macro lens with the proper exposure, and are meant to honestly and correctly show any imperfections in the stone.
Needless to say, these are much less visible to the naked eye.

Please examine the photos carefully before biding.

Oval - IGI

No Reserve Green / Brownish Purple Alexandrite - 0.66 ct

Gemstones

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Closing date

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25 November

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Location

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Object

Faceted gemstone

Gemstone cabochon

Country of origin

Sri Lanka

Ethiopia

Tanzania

Zambia

Mozambique

Brazil

Myanmar/Burma

Pakistan

Afghanistan

Africa

Madagascar

Bolivia

Colombia

Australia

Kenya

Russia

No origin given

Cambodia

Namibia

Nigeria

Congo

Türkiye

Material

Sapphire

Spinel

Aquamarine

Tanzanite

Opal

Topaz

Imperial Topaz

Emerald

Apatite

Fire Opal

Garnet

Morganite

Ruby

Tourmaline

Zircon

Amethyst

Citrine

Sphalerite

Stone

Kunzite

Peridot

Tourmaline paraiba

Ametrine

Beryl

Tsavorite

Rhodolite

Sphene

Fluorite

Alexandrite

Certification

International Gemological Institute (IGI)

Antwerp Laboratory for Gemstone Testing (ALGT)

Certified gemologist report

Instituto Gemólogico Español (IGE)

No laboratory report

Gemological Institute of America (GIA)

Lotus Gemology

International Colored Gemstone Association (ICA GemLab)

Asian Institute of Gemological Sciences (AIGS)

Bellerophon Gemlab

ALGT (B)

Gem research Swiss Lab (GRS)

Certified Gemologist

Gem Report Antwerp (GRA)

Netherlands Gem Laboratory (NEL)

IGE (Madrid)

International Jewellery & Gems Certifiers (IJGC)

Istituto Gemmologico Italiano (IGI)

GEM-TECH Istituto Gemmologico

Lotus (Thailand)

GRS (Gem Research Swiss Lab)

Gübelin Gem Lab

C. Dunaigre Gem Lab (CD)

Colour

Blue

Green

Pink

Violet

Orange

Yellow

Purple

White

Multicolour

Brown

Bi-colour

Grey

Colourless

Black

Oval

Mixed cut

Cushion

Pear

Faceted cut

Octagon

Cabochon cut

Round

Brilliant cut

Emerald cut

Step cut

Rectangle

Modified brilliant cut

Heart

Triangle

Square

Marquise

Fancy

Drop

Mixed shape

Trilliant cut

Pear shape cut

Carving cut

Fantasy

Clarity

Eye clean

Loupe clean

Slight

Transparent

Moderate

Heavy

Transparent (with some inclusions)

Semi transparent

Transparent (Clean)

Translucent (with some inclusions)

Tanzania - Oiling

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No evidence of treatment

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No heat treatment

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Not specified in the report

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Gemstones

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

No Reserve Green / Brownish Purple Alexandrite - 0.66 ct

2340 objects

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Gemstones

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

No Reserve Green / Brownish Purple Alexandrite - 0.66 ct

2340 objects

Related collections