Natural Unheated Montana Sapphire Rough Bi-Color 11.02 Carats

Gem ID#: 12515

Price: 650.00

Origin: Gem Mountain, Montana, USA

Weight: 11.02 Carats

Size: 15 x 10 x 6.5 millimeters

Clarity: Facet Rough

Cut: Blocky Rough

Color: Bi-color / Zoned (Blue-Grey with Yellow Core)

Treatment: None (100% Natural / Unheated)

Note: This Natural Montana Sapphire facet rough was sourced from the Gem Mountain region. It features a rare "Yellow Yolk" core—a distinct, concentrated yellow color zone centered within a blue-grey crystal.

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