~ Fine Minerals and Unique Collectibles ~ Fast and Free USA Shipping

Opal (Boulder / Koroit)

168 products
Top Quality 4ct Small Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18517
Top Quality 4ct Small Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18517
$56.00
Rare 8.94ct Designer JS Noor x Exotic Crystals Koroit Boulder Opal 18k Gold Unisex Crystal Pendant + Diamonds - Australia - Item:O19008
Rare 8.94ct Designer JS Noor x Exotic Crystals Koroit Boulder Opal 18k Gold Unisex Crystal Pendant + Diamonds - Australia - Item:O19008
$1,100.00
Top Quality 5.5ct Rough Koroit Boulder Opal Crystal Cabochon Specimen - Australia - Item:O19007
Top Quality 5.5ct Rough Koroit Boulder Opal Crystal Cabochon Specimen - Australia - Item:O19007
$12.00
Rare 142ct XL 3.1” Polished Koroit Boulder Opal Crystal Cabochon / Palm Stone - Australia - Item:O18758
Rare 142ct XL 3.1” Polished Koroit Boulder Opal Crystal Cabochon / Palm Stone - Australia - Item:O18758
$140.00
Rare 23ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18759
Rare 23ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18759
$180.00
Rare 12ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18760
Rare 12ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18760
$200.00
Rare 15.4ct Polished Koroit Boulder Opal with Petrified Wood Crystal Cabochon Perfect for Jewelry - Australia - Item:O18761
Rare 15.4ct Polished Koroit Boulder Opal with Petrified Wood Crystal Cabochon Perfect for Jewelry - Australia - Item:O18761
$180.00
Rare 16.2ct Polished Gem Transparent Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18763
Rare 16.2ct Polished Gem Transparent Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18763
$390.00
Rare 10.2ct Polished Double Sided Complete Koroit Boulder Opal “Nut / Nodule” Crystal Cabochon - Australia - Item:O18753
Rare 10.2ct Polished Double Sided Complete Koroit Boulder Opal “Nut / Nodule” Crystal Cabochon - Australia - Item:O18753
$118.00
Top Quality 73ct Large 1.7” Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18754
Top Quality 73ct Large 1.7” Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18754
$164.00
Top Quality 68ct Large 2” Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18755
Top Quality 68ct Large 2” Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18755
$110.00
Top Quality 79ct Large 1.6” Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18756
Top Quality 79ct Large 1.6” Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18756
$120.00
Rare 110ct XL 2.4” Polished Koroit Boulder Opal Crystal Cabochon / Palm Stone - Australia - Item:O18757
Rare 110ct XL 2.4” Polished Koroit Boulder Opal Crystal Cabochon / Palm Stone - Australia - Item:O18757
$164.00
Top Quality 5.1ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18748
Top Quality 5.1ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18748
$48.00
Top Quality 4.6ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18749
Top Quality 4.6ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18749
$60.00
Top Quality 17ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18683
Top Quality 17ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18683
$26.00
Top Quality 15ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18684
Top Quality 15ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18684
$24.00
Top Quality 10ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18686
Top Quality 10ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18686
$28.00
Top Quality 8.8ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18687
Top Quality 8.8ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18687
$28.00
Top Quality 9ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18690
Top Quality 9ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18690
$48.00
Top Quality 3.5ct Small Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18692
Top Quality 3.5ct Small Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18692
$36.00
Top Quality 5.8ct Small Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18693
Top Quality 5.8ct Small Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18693
$36.00
Top Quality 3.7ct Small Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18696
Top Quality 3.7ct Small Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18696
$60.00
Top Quality 5.5ct Small Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18697
Top Quality 5.5ct Small Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18697
$54.00
Top Quality 4.6ct Small Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18699
Top Quality 4.6ct Small Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18699
$60.00
Top Quality 8.7ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18701
Top Quality 8.7ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18701
$54.00
Top Quality 10.4ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18703
Top Quality 10.4ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18703
$48.00
Top Quality 13.9ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18704
Top Quality 13.9ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18704
$60.00
Rare Intense Fire 8.6ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18705
Rare Intense Fire 8.6ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18705
$136.00
Rare 11.4ct Designer JS Noor x Exotic Crystals Koroit Boulder Opal 18kt Gold Unisex Crystal Pendant - Australia - Item:O18709
Rare 11.4ct Designer JS Noor x Exotic Crystals Koroit Boulder Opal 18kt Gold Unisex Crystal Pendant - Australia - Item:O18709
$640.00
Rare 7.6ct Designer JS Noor x Exotic Crystals Koroit Boulder Opal 18kt Gold Unisex Crystal Pendant - Australia - Item:O18710
Rare 7.6ct Designer JS Noor x Exotic Crystals Koroit Boulder Opal 18kt Gold Unisex Crystal Pendant - Australia - Item:O18710
$660.00
Top Quality 15.4ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18569
Top Quality 15.4ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18569
$28.00
Top Quality 11ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18570
Top Quality 11ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18570
$28.00
Top Quality 9.1ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18571
Top Quality 9.1ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18571
$24.00
Top Quality 8.5ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18572
Top Quality 8.5ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18572
$38.00
Top Quality 27ct Large Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18574
Top Quality 27ct Large Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18574
$42.00
Top Quality 42ct Large Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18575
Top Quality 42ct Large Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18575
$44.00
Top Quality 13.6ct Large Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18576
Top Quality 13.6ct Large Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18576
$54.00
Top Quality 16.9ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18577
Top Quality 16.9ct Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18577
$84.00
Top Quality 20ct Large Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18578
Top Quality 20ct Large Polished Koroit Boulder Opal Crystal Cabochon Perfect for Jewelry - Australia - Item:O18578
$48.00