2.65 carat natural sapphire from Umba, Tanzania showing a distinct color change from vivid medium blue in daylight to lavender-purple under indoor lighting. Both colors present clearly without the gray or muddy shift often seen in color-change material.
Untreated. Minor inclusions are present, consistent with untreated sapphire from this locality, and do not detract from overall appearance. Cut for brightness and stability across lighting conditions.
Origin: Umba Valley, Tanzania
Weight: 2.65 carats
Treatment: None (untreated)
Color change: Daylight – medium vivid blue; Indoor – lavender-purple
Clarity: Minor inclusions typical of untreated material
Cut: Precision faceted
Video: https://youtube.com/shorts/DdEwW_s9YVk
2.65 carat natural sapphire from Umba, Tanzania showing a distinct color change from vivid medium blue in daylight to lavender-purple under indoor lighting. Both colors present clearly without the gray or muddy shift often seen in color-change material.
Untreated. Minor inclusions are present, consistent with untreated sapphire from this locality, and do not detract from overall appearance. Cut for brightness and stability across lighting conditions.
Origin: Umba Valley, Tanzania
Weight: 2.65 carats
Treatment: None (untreated)
Color change: Daylight – medium vivid blue; Indoor – lavender-purple
Clarity: Minor inclusions typical of untreated material
Cut: Precision faceted
Video: https://youtube.com/shorts/DdEwW_s9YVk
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