11.80 cts calibrated Koroit oval boulder opal -well polished [BMB2316]

Item Information

Dimensions (mm) 18 x 13 x 5mm
Weight (carats) 11.8 carats


This is a  boulder stone that has been well polished. This stone has been cut to a standard size so it will fit into existing standard settings with out the need to customizing the mountings

 It was mined in Koroit Queensland.

 It is a stunning piece showing unique pattern

The weights and sizes are approximate.

There is some reflection from the artificial lights on the stone.
In some of the stones the sandstone may undercut the ironstone so it would have been stabilized to prevent this.

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16 bids placed so far

$35 justy
$35 lekchapel
$31 justy
$30 lekchapel
$28 lekchapel
$27 justy
$26 rngrdead
$22 rngrdead
$21 fossillukas
$16 fossillukas
$15 justy
$14 sapphy
$13 stephenshort
$3 stephenshort
$2 lekchapel
$1 kitkat74
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Audit Information

The Opal Sheriff program allows our members to request an audit on any auction, which is completed by an independent Gemologist who assesses the accuracy of the item description and pictures.

Pricing & Details

Bid Increment $1
Starting Bid $1
Auction ID 1120393
Watchers 13 watching
Viewed 114 times
Starts 19th Sep 2021 7:00pm PDT
Ends 17th Oct 2021 7:03pm PDT

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Boulder Magic Details

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