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Description
9.54 CT RIVER BLUE CABThis is a 9. 54 carat buff top Montana sapphire. It is all natural and ready to be set into your own design of ring or pendant. It has dark blue lines of color going through it like a river or a current in the water. This is a very large piece. We do offer help in setting into jewelry and faceting as well, if you are interested. WE MINE THESE SAPPHIRES OURSELVES, RIGHT OUT OF OUR OWN GROUND IN MONTANA. THE SAPPHIRES YOU FIND HERE (UNLESS OTHERWISE
This is a 9.54 carat buff top Montana sapphire. It is all natural and ready to be set into your own design of ring or pendant. It has dark blue lines of color going through it like a river or a current in the water. This is a very large piece.We do offer help in setting into jewelry and faceting as well, if you are interested.
WE MINE THESE SAPPHIRES OURSELVES, RIGHT OUT OF OUR OWN GROUND IN MONTANA. THE SAPPHIRES YOU FIND HERE (UNLESS OTHERWISE STATED) COME FROM THE MOUNTAINS OF MONTANA JUST OFF THE BANKS OF THE MISSOURI RIVER. WE'VE BEEN FORTUNATE TO BE MINING THESE GEMS FOR 15 YEARS.
TYPE: Montana Sapphire
CUT: Buff Top, Cab
COLOR: Blue
WEIGHT: 9.54 carat
SIZE: 14 x 11 mm
CLARITY: SI / I1
LUSTER: Polished
TREATMENT: NO HEAT. ALL NATURAL. UNHEATED.
ORIGIN: MONTANA, USA, ELDORADO BAR, MISSOURI RIVER.
HARDNESS: 9
WE MINE THESE SAPPHIRES OURSELVES, RIGHT OUT OF OUR OWN GROUND IN MONTANA. THE SAPPHIRES YOU FIND HERE UNLESS OTHERWISE STATED COME FROM THE MOUNTAINS OF MONTANA JUST OFF THE BANKS OF THE MISSOURI RIVER. WE'VE BEEN FORTUNATE TO BE MINING THESE GEMS FOR 15 YEARS.
THIS IS ONE OF MANY COLORS OF THE ALL NATURAL MONTANA SAPPHIRES FOUND WITH BLAZE N GEMS.
Shipping Notes
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 26 reviews
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Product Reviews
★★★★★ 5
These hog out the hole nicely
Size: CB-M03H
These hog out the hole nicely
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Reviewed in the United States on December 7, 2025
★★★★★ 5
Very nice product.
Size: CB-003
Haven’t needed to use it yet, but it is definitely a quality product.
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Reviewed in the United States on September 1, 2025
★★★★★ 5
It works
Size: CB-M03H
I use it on a power tool as regular drill bits seem to not work to well with the plugs. They leak air. Doing it by hand is to hard
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Reviewed in the United States on June 20, 2025
★★★★★ 1
Doesn’t Cut Steel Belts in Tires
Size: CB-M03H
Doesn’t cut steel belts in tires to facilitate repair.
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Reviewed in the United States on May 5, 2025
★★★★★ 5
Pattern and roughness appropriate but still need to test
I haven't had a flat tire yet, so I also haven't had occasion to test these but they seem like great value for an extremely low price (especially versus a new tire.) I have handled them to try and gauge how quickly they'd smooth a hole, and they're rough / sharp and aggressive enough that I expect them to work quickly and well on not only tires, but on a variety of other materials. This pattern in particular should allow material to be shed and then passed backward pretty easily without clogging things up or slowing them down. If you've bothered to buy a patch kit for your tires, you really ought to have one of these around.
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Reviewed in the United States on January 18, 2026