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Species: imperial topaz. 
Variety: imperial topaz.  
Total weight: 4.83 ct. 
Measurements: 7.15-6.91 mm; 5.26-4.93 mm; 3.44-3.20 mm. 
Colour: yellow. 
Transparency: transparent. 
Cut: oval. 
Treatment: no signs of treatment. 
Report: IGE (Madrid) D-36542.

Oval - IGE (Madrid)

Yellow Imperial Topaz - 4.83 ct

Gemstones

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Certification

International Gemological Institute (IGI)

Antwerp Laboratory for Gemstone Testing (ALGT)

Certified gemologist report

No laboratory report

Instituto Gemólogico Español (IGE)

Lotus Gemology

Gemological Institute of America (GIA)

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ALGT (B)

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Masterstones

International Jewellery & Gems Certifiers (IJGC)

Istituto Gemmologico Italiano (IGI)

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GRS (Gem Research Swiss Lab)

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No origin given

2 pcs  Blue  - 5.00 ct

No evidence of treatment

Blue, Green Spinel  - 6.48 ct - International Gemological Institute (IGI)

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

No Reserve Price Topaz  - 31.71 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Intense 'Swiss' Blue

Gemstones

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

Yellow Imperial Topaz - 4.83 ct

2481 objects

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Gemstones

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

Yellow Imperial Topaz - 4.83 ct

2481 objects

Related collections