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tomorrow

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Location

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Object

Faceted gemstone

Gemstone cabochon

Country of origin

No origin given

Tanzania

Zambia

Ethiopia

Sri Lanka

Russia

Brazil

Africa

Afghanistan

Mozambique

Myanmar/Burma

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Stone

Sapphire

Emerald

Tanzanite

Spinel

Tourmaline

Aquamarine

Opal

Topaz

Ruby

Peridot

Beryl

Garnet

Kunzite

Sphene

Rhodolite

Amethyst

Fluorite

Morganite

Tsavorite

Zircon

Mixed gemstones

Citrine

Ametrine

Apatite

Alexandrite

Certification

International Gemological Institute (IGI)

International Colored Gemstone Association (ICA GemLab)

Instituto Gemólogico Español (IGE)

Antwerp Laboratory for Gemstone Testing (ALGT)

Gem Report Antwerp (GRA)

Gemological Institute of America (GIA)

Bellerophon Gemlab

Gem research Swiss Lab (GRS)

International Jewellery & Gems Certifiers (IJGC)

Asian Institute of Gemological Sciences (AIGS)

GEM-TECH Istituto Gemmologico

Gemewizard Gemological Laboratory (GWLab)

Guild Gem Laboratory

Colour

Blue

Green

Pink

Violet

Purple

Orange

Yellow

White

Multicolour

Grey

Brown

Bi-colour

Black

Colourless

Oval

Mixed cut

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Pear

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Octagon

Step cut

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Faceted cut

Pear shape cut

Rectangle

Round

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Heart

Fancy

Marquise

Modified cut

Drop

Trilliant cut

Fantasy

Cut cornered square

Clarity

Eye clean

Loupe clean

Slight

Moderate

Heavy

Treatment

No evidence of treatment

No heat treatment

Heat treatment

Oiling

Commonly heated with no evidence of treatment

Not specified in the report

Clarity enhancement

Commonly irradiated with no evidence of treatment

Irradiation

Impregnation

Gemstone transparency

Transparent

Semi-transparent

Translucent

Semi-translucent

Pearl luster

Excellent

Very good

Good

Fair

Optical effect (gemstones)

Opalescence

Play of colour

Colour change

Fluorescence

Tanzania - Oiling

No reserve price Blue, Violet Tanzanite  - 5.50 ct - Instituto Gemólogico Español (IGE) - Very good color

Brazil - Oiling

No reserve price Green, Blue Emerald  - 2.74 ct - Instituto Gemólogico Español (IGE)

Ethiopia - No evidence of treatment

No reserve price White Opal  - 17.69 ct - Instituto Gemólogico Español (IGE) - Color Game

No reserve price Blue Aquamarine  - 6.59 ct - Instituto Gemólogico Español (IGE)

No reserve price Orange, Brown Hessonite  - 8.54 ct - Instituto Gemólogico Español (IGE)

Sri Lanka - No heat treatment

No reserve price Blue, Violet Sapphire  - 1.87 ct - Instituto Gemólogico Español (IGE)

No reserve price Green, Blue Emerald  - 2.26 ct - Instituto Gemólogico Español (IGE)

No reserve price White Opal  - 14.52 ct - Instituto Gemólogico Español (IGE) - Intense Color Play

No reserve price Green, Blue Apatite  - 3.22 ct - Instituto Gemólogico Español (IGE)

No reserve price Red, Violet Garnet  - 11.98 ct - Instituto Gemólogico Español (IGE)

No reserve price Green, Blue Emerald  - 2.13 ct - Instituto Gemólogico Español (IGE)

No reserve price Green, Blue, Violet Fluorite  - 62.28 ct - Instituto Gemólogico Español (IGE)

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Gemstones

564 objects

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