Blue Star Sapphire · 3.69 ct
Blue Star Sapphire · 3.69 ct
Nigeria · 3.69 ct
The star is rutile — fine needles that grew inside the crystal along three directions at sixty degrees to each other, throwing back a six-rayed line of light. A dome is the only cut that shows it, and the height of that dome decides how tightly the rays gather. This one is raised enough to open them right across.
- Dimensions
- 9.18 × 7.26 × 4.82 mm
- Cut
- Oval · Cabochon
- Treatment
- Untreated
- Graded by
- GFCO Gemological Laboratory (GFCO)
- Per carat
- 65 KWD
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Star Sapphire
7.26 mm across a 16.5 mm finger
A classic ring stone — present, but quietly so.
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
Oval · 9.18 × 7.26 × 4.82 mm
Drawn to this stone's own proportions.
Ask about our custom design serviceOther stones like this.
Colour-Change Sapphire · 1.24 ct
Purple Sapphire · 2.42 ct
Pink Sapphire · 3.31 ct
