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Opal oval shape cabochon 
Weight: 8.75 ct 
Size: 18.04 x 12.40 x 8.33 mm  
Color:  White base with a play of colors.
Luster: Multicolor. 
Treatment: No indications of treatment.
Unique to Opal, ‘play of color’ is the attractive flashes of colorful brilliance that change with the angle of observation. An Opal with a play of color with three or more hues is called ‘multicolor’. October’s birthstones, Opal is from the Greek ‘opallios’, meaning ‘to see a change’ 
NEL  Certificate Report no. E 19403.
Shipment with a reliable service provider will be trackable and will be insured. 
Duties and Taxes will be Buyer's responsibilities. 
Pictures taken under white and yellow light with magnification on different backgrounds, to display as accurately as possible, Tried our best to capture as real colors as possible, but it may slightly differ.



Cabochon - NEL (Leiden)

Opal - 8.75 ct

Gemstones

Reserve price

No reserve price

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Object

Faceted gemstone

Gemstone cabochon

Country of origin

Zambia

Sri Lanka

Tanzania

Mozambique

Myanmar/Burma

Ethiopia

Brazil

Colombia

Afghanistan

Madagascar

Pakistan

Africa

Russia

Australia

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No origin given

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Stone

Sapphire

Emerald

Tanzanite

Spinel

Ruby

Opal

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Topaz

Aquamarine

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Citrine

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Tsavorite

Morganite

Alexandrite

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Diaspore

Fluorite

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Ametrine

Fire Opal

Sphalerite

Certification

International Gemological Institute (IGI)

Instituto Gemólogico Español (IGE)

International Colored Gemstone Association (ICA GemLab)

Antwerp Laboratory for Gemstone Testing (ALGT)

Gemological Institute of America (GIA)

Lotus Gemology

Gem Report Antwerp (GRA)

Bellerophon Gemlab

Asian Institute of Gemological Sciences (AIGS)

Gem research Swiss Lab (GRS)

International Jewellery & Gems Certifiers (IJGC)

GEM-TECH Istituto Gemmologico

Netherlands Gem Laboratory (NEL)

Istituto Gemmologico Italiano (IGI)

Masterstones

Colour

Blue

Green

Pink

Purple

Violet

Orange

Yellow

White

Brown

Grey

Multicolour

Colourless

Bi-colour

Black

Oval

Mixed cut

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Mixed shape

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Clarity

Eye clean

Loupe clean

Slight

Moderate

Heavy

Severe

Russia - No evidence of treatment

No Reserve Price Demantoid  - 3.48 ct - International Gemological Institute (IGI)

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

No Reserve Price Topaz  - 30.63 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Intense 'Swiss' Blue

Sri Lanka - Heat treatment

No Reserve Price Blue Sapphire  - 1.40 ct - International Gemological Institute (IGI)

Tanzania - Commonly heated with no evidence of treatment

No Reserve Price Purple Tanzanite  - 2.13 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - TANZANIA TANZANITE

No heat treatment

Red Ruby  - 1.29 ct - Instituto Gemólogico Español (IGE)

Zambia - Oiling

No Reserve Price Emerald  - 1.06 ct - International Gemological Institute (IGI)

Commonly heated with no evidence of treatment

1 pcs  Blue, Purple Tanzanite  - 4.35 ct - International Gemological Institute (IGI) - Tanzanite 4.35

No Reserve Price Purple Sapphire  - 6.23 ct - Lotus Gemology - NO HEAT REDDISH SAPPHIRE

Madagascar - No evidence of treatment

Red Ruby  - 1.34 ct - Lotus Gemology

No evidence of treatment

No Reserve Price - 1 pcs  Blue Sapphire  - 10,16 ct - Lotus Gemology - No Reserve

Africa - No heat treatment

Tsavorite  - 6.72 ct - Gem research Swiss Lab (GRS) - Vivid to deep green

No Reserve Price Kunzite  - 73.62 ct - Instituto Gemólogico Español (IGE) - Purplish Pink & Yellowish

Heat treatment

No Reserve Price Violet Tanzanite  - 3.74 ct - International Gemological Institute (IGI) - NATURAL TANZANITE

No Reserve Price Aquamarine  - 9.56 ct - International Gemological Institute (IGI)

Amethyst  - 35.75 ct - Instituto Gemólogico Español (IGE)

No Reserve Price Green Tsavorite  - 2.53 ct - International Gemological Institute (IGI) - NATURAL TSAVORITE

Kenya - No heat treatment

No Reserve Price Red Ruby  - 6.39 ct - Lotus Gemology - No Heat

Red Spinel  - 6.22 ct - Lotus Gemology

Gemstones

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

Opal - 8.75 ct

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Gemstones

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

Opal - 8.75 ct

Popular in Gemstones

2446 objects

Related collections