1.00 ct heated natural blue sapphire, emerald cut, face-up view, Otzera OTZ-2026-01660

1.00 ct Blue Emerald-Cut Sapphire

$725.00
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1.00 ct heated natural blue sapphire, emerald cut, face-up view, Otzera OTZ-2026-01660
  • 1.00 ct heated natural blue sapphire, emerald cut, face-up view, Otzera OTZ-2026-01660
  • 1.00 ct blue sapphire, emerald cut, angled view showing blue flashes, Otzera OTZ-2026-01660
  • 1.00 ct heated blue sapphire held in tweezers, face-up emerald-cut view, Otzera OTZ-2026-01660
  • 1.00 ct blue sapphire held in tweezers, side profile showing cut depth, Otzera OTZ-2026-01660
  • 1.00 ct heated natural blue sapphire, emerald cut, face-up view, Otzera OTZ-2026-01660
  • 1.00 ct blue sapphire, emerald cut, angled view showing blue flashes, Otzera OTZ-2026-01660
  • 1.00 ct heated blue sapphire held in tweezers, face-up emerald-cut view, Otzera OTZ-2026-01660
  • 1.00 ct blue sapphire held in tweezers, side profile showing cut depth, Otzera OTZ-2026-01660
1.00 ct Blue Emerald-Cut Sapphire

1.00 ct Blue Emerald-Cut Sapphire

$725.00
CollectibleOtzera 50 · 33 of 50 · judged relative to the species How we read a stone

Collector's Note

Deep blue color and the crisp geometry of an emerald cut give this 1.00 ct natural sapphire a refined, architectural look. The stone is eye-clean in normal viewing and shows brighter blue flashes as it moves, giving a compact one-carat gem strong visual character.

Gemstone Details

Gemstone: Natural Blue Sapphire
Species: Corundum
Weight: 1.00 ct
Shape / Cut: Emerald Cut
Measurements: 5.88 × 4.65 × 3.67 mm
Treatment: Heated
Condition: Surface abrasion from prior wear is present around the table.

O50 Collector Evaluation

Otzera 50: 33/50 — Collectible
Face-Up Performance: 78%

Treatment & Origin Disclosure

Heat treatment is recorded for this sapphire. No geographic origin is assigned in the current Otzera record.

Care & Setting

Sapphire is highly durable and well suited to jewelry wear. Clean with warm water, mild soap and a soft brush.

Digital Gem Passport

Accompanied by an Otzera Digital Gem Passport preserving its identifying details, treatment disclosure and O50 evaluation.

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