Natural Sapphire — 2.18 ct, United States (Montana), Oval Brilliant
Natural Sapphire — 2.18 ct, United States (Montana), Oval Brilliant
Note: From the El Dorado Bar near Helena, Montana, this is a large and rare example of a beautiful American Sapphire!
Origin: Sapphire - El Dorado Bar, Montana
Weight: 2.18 Carats
Size: 8.8 x 6.9 x 4.8 millimeters
Clarity: Slight natural rutile needle inclusions visible under close inspection.
Cut: Oval Brilliant
Color: Green
Treatment: None, guaranteed 100% natural and unheated.
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Gemstone Details
About Sapphire
Sapphire is the gem variety of the mineral corundum, composed of aluminum oxide and valued for its hardness and durability.
Specifications & Notes
Origin: El Dorado Bar, Montana, USA
Carat Weight: 2.18 Carats
Dimensions: 8.8 × 6.9 × 4.8 mm
Clarity: Eye Clean
Cut: Oval Brilliant
Color: Green
Treatment: None – natural color
Gemologist Notes:
This sapphire originates from the El Dorado Bar deposits near Helena, Montana, United States, within the Missouri River sapphire district. Montana sapphires are typically recovered from alluvial gravel deposits formed through erosion of corundum-bearing igneous rocks. The stone shows a green color and contains fine rutile needle inclusions visible under close inspection. No evidence of heat treatment is present. Untreated Montana sapphires are uncommon and valued for their natural color.
Each gemstone is individually photographed and described.
You will receive the exact stone shown.
Shipping, Care & Authenticity
• Ships securely packaged and fully insured.
• Natural gemstone – no dyes or coatings unless stated.
• Avoid harsh chemicals and ultrasonic cleaners.
• Colors may vary slightly due to lighting and screen settings.