5.11 ct Oregon Sunstone — Triangular Modified Brilliant

Collector's Note

An exceptional 5.11 ct Oregon sunstone with an uncommon triangular modified brilliant cut, vivid face-up performance and unusually strong collector scale. The stone shows flashes of green at certain angles and a subtle rainbow streak from the reverse when the light catches it correctly, adding to its highly individual character.

Gemstone Details

Gemstone: Oregon Sunstone
Species: Feldspar
Weight: 5.11 ct
Shape / Cut: Triangular Modified Brilliant
Measurements: 13.42 × 11.78 × 7.90 mm
Origin: Oregon, USA
Treatment: None

O50 Collector Evaluation

Otzera 50: 46/50 — Exceptional
Face-Up Performance: 90%

Care & Setting

Clean with warm water, mild soap and a soft brush. Avoid sharp impacts, ultrasonic cleaning and sudden temperature changes.

Digital Gem Passport

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