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a safe and standard treatment for all London Blue topaz gemstones
measuring 18
the vivid fire of a ruby
The report is signed by a GIA Graduate Gemologist (GIA GG)
No indication of thermal treatment and FTIR testing further confirm the gem’s authenticity and rarity
Natural Ametrine 6.86 ct – Emerald Cut, Untreated loupe clear a safe and standard treatmentThis 6. 86 ct ametrine presents a distinctive bi coloration, with light purple and light yellow zones. The emerald cut precisely defines these color segments. The gemstone measures 15. 76 7. 83 6. 06 mm. Its clarity is classified as Slightly Included, consistent with natural ametrine. This ametrine shows no indication of treatment, a characteristic documented in its Sosna Gems Colored Stone Report. Originating from Bolivia, this ametrine is a suitable