1.29 ct blue sapphire, round mixed cut, view 1 — Otzera OTZ-2026-01770

1.29 ct Blue Sapphire — Round Mixed Cut

$565.00
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1.29 ct blue sapphire, round mixed cut, view 1 — Otzera OTZ-2026-01770

1.29 ct Blue Sapphire — Round Mixed Cut

$565.00
DiscoveryOtzera 50 · 27 of 50 · judged relative to the species How we read a stone

Collector’s Note

Inky blue color gives this 1.29 ct natural Tanzanian sapphire a distinctive, understated elegance. The round mixed cut reveals flashes of blue as the stone moves, while its pleasingly clear appearance lets you explore the facets within. At approximately 6.2 mm across, it is an attractive choice for a classic setting or a collection of blue gemstones.

Gemstone Details

  • Gemstone: Natural blue sapphire
  • Species: Corundum
  • Weight: 1.29 ct
  • Shape / Cut: Round Mixed Cut
  • Measurements: 6.1-6.2 x 4.2 mm
  • Origin: Tanzania
  • Treatment: Heated
  • Otzera ID: OTZ-2026-01770

Otzera 50

27/50 — Discovery
Face-Up Performance Index: 55%

Care

Clean with lukewarm water, mild soap and a soft brush. Protect from hard knocks and sudden temperature changes.

Photographs show this individual gemstone. Color may vary with lighting and screen settings.

Digital Gem Passport

View this gemstone’s Digital Gem Passport for its permanent record and Otzera 50 evaluation.

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