Bi-Colour Blue Tourmaline · 1.98 ct
Bi-Colour Blue Tourmaline · 1.98 ct
1.98 ct
Colour zoning is a growth record. Two blues of different strength in one crystal means the water feeding it changed while it grew, and the boundary marks when. Flat parallel rows keep both readable at once instead of averaging them into one.
- Dimensions
- 15.90 × 3.76 × 3.30 mm
- Cut
- Emerald · Step
- Treatment
- Untreated
- Graded by
- Galaxy Gemological Institute (GGI)
- Per carat
- 94 KWD
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Bi-Colour Tourmaline
3.76 mm across a 16.5 mm finger
A fine accent. Read close, not across a room.
What these terms mean
- Untreated
- Examined by an independent laboratory, with no evidence of treatment found.
- Treated
- A treatment was found, and it is named.
- Not determined
- The stone was examined, but its report does not address treatment.
- Untested
- No laboratory report exists for this stone.
This stone, set
Ring
Necklace
Emerald Cut · 15.90 × 3.76 × 3.30 mm
Drawn to this stone's own proportions.
Ask about our custom design service
