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Yogo Sapphire History
The Discovery
Yogo sapphires were discovered in the 1890s in the Yogo Gulch area of Montana, specifically in the Little Belt Mountains. The discovery was made by prospector and miner, A.H. McMillan, who stumbled upon them while searching for gold. The first sapphires from the area were small, but soon miners realized they were incredibly high quality, with a deep blue color.
The Mining Rush
In the late 1800s and early 1900s, a mining rush followed the discovery of these sapphires, drawing prospectors to the region. Yogo sapphires became known for their rich color and clarity, making them highly desirable. However, mining the sapphires was not easy. The sapphires were embedded in difficult to extract rocks, which made the mining process expensive and labor intensive. As a result, many miners moved on after a brief rush.
The Decline
Yogo sapphires began to dwindle as the easy to find stones were already extracted, and mining became more difficult. The rising costs and decreasing availability led to the mine being shut down.
See our Prices
First Category
.69ct. Cushion cut AAA Yogo sapphire
$5,078.00
.74ct Cushion cut AAA Yogo sapphire
$5,760.00
.88ct Oval cut AAA Yogo sapphire
$8,450.00
.36ct Emerald cut AAA Yogo sapphire
$1,428.00
.98ct Fancy cut AAA Yogo sapphire
$10,900.00
Second Category
Round Brilliant cut Yogo Sapphires Selections
1.07ct Round cut AAA Yogo sapphire
$15,500.00
1.12ct Round cut AAA Yogo sapphire
$17,650.00
.83ct Round cut AAA Yogo sapphire
$11,810.00
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.61ct Round cut AAA Yogo sapphire
$3,600.00
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.60ct Round cut AAA Plum Yogo sapphire
$3,600.00
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.36ct Round cut AAA Yogo sapphire
$1,404.00
.34ct Round cut AAA Yogo sapphire
$1,326.00
.51ct Round cut AAA Yogo sapphire
$2,560.00
.39ct Round cut AAA Yogo sapphire
$1,692.00
.30ct Round cut AAA Yogo sapphire
$993.00
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