![1.78 Ct Natural Ethiopian Multicolor Welo Opal Oval Cab: Weight - 1.78 Ct / Size - 12.7 x 6.8 x 4.2 mm Pieces : 1 No's / Shape : Oval Cab / Clarity : Translucent / Treatment : None](https://p1.liveauctioneers.com/6226/329465/178068296_1_x.jpg?height=310&quality=70&version=1716310377)
American Opal
![1.78 Ct Natural Ethiopian Multicolor Welo Opal Oval Cab: Weight - 1.78 Ct / Size - 12.7 x 6.8 x 4.2 mm Pieces : 1 No's / Shape : Oval Cab / Clarity : Translucent / Treatment : None](https://p1.liveauctioneers.com/6226/329465/178068296_1_x.jpg?height=310&quality=70&version=1716310377)
![1.01 Ct Natural Ethiopian Multicolor Welo Opal Oval Cab: Weight - 1.01 Ct / Size - 9.7 x 6.5 x 3.2 mm Pieces : 1 No's / Shape : Oval Cab / Clarity : Translucent / Treatment : None](https://p1.liveauctioneers.com/6226/329465/178068187_1_x.jpg?height=310&quality=70&version=1716310377)
![14K GOLD 4.2 CT NATURAL OPAL RING: Ref:230772366 Gold Content:14K Gold Ring Size:7.25US Main Gemstone:Opal Number of stones:1 Shape:Oval Carat Weight:4.2ct Color:Color Treatment:Natural Cut Grade:G](https://p1.liveauctioneers.com/8239/331253/178634307_1_x.jpg?height=310&quality=70&version=1716791506)
![14K GOLD 2.02 CTW NATURAL OPAL & DIAMOND RING/PENDANT: Ref:230769032 Gold Content:14K Gold Ring Size:7.25US Main Gemstone:Opal Shape:Oval Carat Weight:1.9ct Color:Orange Treatment:Natural Cut Grade:G Adjacent Gemstone 2 : Diamond Shape:Round C](https://p1.liveauctioneers.com/8239/330348/178082422_1_x.jpg?height=310&quality=70&version=1716791738)
![14K GOLD 4.07 CT NATURAL OPAL & DIAMOND RING: Ref:230770422 Gold Content:14K Gold Ring Size:7.25US Main Gemstone:Opal Number of stones:1 Shape:Oval Carat Weight:4.07ct Color:Color Treatment:Natural Cut Grade:G Adjacent Gemstone 2 : Diamon](https://p1.liveauctioneers.com/8239/330348/178087637_1_x.jpg?height=310&quality=70&version=1716791739)
![14K GOLD 5.45 CTW NATURAL OPAL & DIAMOND EARRINGS: Ref:230771151 Gold Content:14K Gold Main Gemstone:Opal Shape:Multiply Carat Weight:5ct Color:Color Treatment:Natural Cut Grade:G Adjacent Gemstone 2 : Diamond Shape:Round Carat Weight:0.45ct <](https://p1.liveauctioneers.com/8239/331253/178633760_1_x.jpg?height=310&quality=70&version=1716791504)
![14K GOLD 7.84 CTW NATURAL OPAL & DIAMOND EARRINGS: Ref:230769262 Gold Content:14K Gold Main Gemstone:Opal Number of stones:2 Shape:Octagonal Carat Weight:7.8ct Color:Color Treatment:Natural Cut Grade:G Adjacent Gemstone 2 : Diamond Shape:Round](https://p1.liveauctioneers.com/8239/330348/178082649_1_x.jpg?height=310&quality=70&version=1716791740)
![6.27 Ct Natural Ethiopian Orange Fire Opal Oval Cab: Weight - 6.27 Ct / Size - 16.50 x 11.00 x 8.00 mm / Pieces : 1 No's / Shape : Oval Cab / Clarity : Translucent / Treatment : Heated](https://p1.liveauctioneers.com/6226/329465/178173450_1_x.jpg?height=310&quality=70&version=1716310377)
![2.83 Ct Natural Ethiopian Multicolor Welo Opal Pear Cut: Weight - 2.83 Ct / Size - 12.1 x 8.8 x 7.2 mm Pieces : 1 No's / Shape : Pear Cut / Clarity : Translucent / Treatment : None](https://p1.liveauctioneers.com/6226/329465/178068356_1_x.jpg?height=310&quality=70&version=1716310377)
![1.78 Ct Natural Ethiopian Multicolor Welo Opal Pear Cut: Weight - 1.78 Ct / Size - 12.5 x 8.2 x 5.2 mm Pieces : 1 No's / Shape : Pear Cut / Clarity : Translucent / Treatment : None](https://p1.liveauctioneers.com/6226/329465/178068347_1_x.jpg?height=310&quality=70&version=1716310377)
![1.34 Ct Natural Ethiopian Multicolor Welo Opal Trillion Cab: Weight - 1.34 Ct / Size - 9.1 x 9.0 x 3.5 mm Pieces : 1 No's / Shape : Trillion Cab / Clarity : Translucent / Treatment : None](https://p1.liveauctioneers.com/6226/329465/178068249_1_x.jpg?height=310&quality=70&version=1716310377)
![3.58 Ct Natural Ethiopian Orange Fire Opal Oval Cab Pair: Weight - 3.58 Ct / Size - 11.0 x 8.5 x 3.9 mm / Pieces : 2 No's / Shape : Oval Cab / Clarity : Translucent / Treatment : Heated](https://p1.liveauctioneers.com/6226/329465/178068172_1_x.jpg?height=310&quality=70&version=1716310377)
![4.37 Ct Natural Dendrite Opal Marquise Cab: weight - 4.37 Ct / Size - 20.20 x 9.90 x 3.30 mm / Shape - Excellent Marquise Cab / Origin - Brazil / Treatment - None](https://p1.liveauctioneers.com/6226/330665/178343345_1_x.jpg?height=310&quality=70&version=1716576182)
![4.05 Ct Natural Mexican Opal Oval Cut Pair: Weight - 4.05 Ct / Size - 10.00 x 8.00 x 6.60 mm / 2 Pc's / Shape - Oval Cut / Color - Yellow / Clarity - Translucent / Origin - Mexico / Treatment - None](https://p1.liveauctioneers.com/6226/330170/178011202_1_x.jpg?height=310&quality=70&version=1716309601)
![3.14 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 3.14 Ct / Size - 13.80 x 9.00 x 5.10 mm / Shape - Oval Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Heated](https://p1.liveauctioneers.com/6226/330665/178343147_1_x.jpg?height=310&quality=70&version=1716576182)
![3.12 Ct Natural Drilled Multi-color Opal Good Fire Round Beads: Weight - 3.12 Ct / Size - 4.30 - 4.60 mm / Pieces - 11 Pc's / Shape -Round Beads / Color - Multicolor / Clarity - Transparent / Origin - Ethiopia / Treatment - None](https://p1.liveauctioneers.com/6226/331259/178638031_1_x.jpg?height=310&quality=70&version=1716891728)
![1.78 Ct Natural Multicolor Top Fire Opal Solid Rough Cab: Weight - 1.78 Ct / Size - 13.50 x 10.00 x 4.00 mm / Shape - Solid Rough Cab / Color - Multicolor / Clarity - Translucent / Origin - Ethiopia / Treatment - None](https://p1.liveauctioneers.com/6226/330170/178011488_1_x.jpg?height=310&quality=70&version=1716309601)
![5.04 Ct Natural Multicolor Top Fire Opal Solid Rough Cab: Weight - 5.04 Ct / Size - 16.00 x 12.00 x 7.30 mm / Shape - Solid Rough Cab / Color - Multicolor / Clarity - Translucent / Origin - Ethiopia / Treatment - None](https://p1.liveauctioneers.com/6226/330170/178011388_1_x.jpg?height=310&quality=70&version=1716309601)
![1.45 Ct Natural Ethiopian Multicolor Welo Opal Trillion Cut: Weight - 1.45 Ct / Size - 8.6 x 8.3 x 5.6 mm Pieces : 1 No's / Shape : Trillion Cut / Clarity : Translucent / Treatment : None](https://p1.liveauctioneers.com/6226/329465/178068329_1_x.jpg?height=310&quality=70&version=1716310377)
![1.77 Ct Natural Ethiopian Multicolor Welo Opal Cushion Cab: Weight - 1.77 Ct / Size - 8.6 x 8.6 x 4.7 mm Pieces : 1 No's / Shape : Cushion Cab / Clarity : Translucent / Treatment : None](https://p1.liveauctioneers.com/6226/329465/178068308_1_x.jpg?height=310&quality=70&version=1716310377)
![1.00 Ct Natural Ethiopian Multicolor Welo Opal Round Cab: Weight - 1 Ct / Size - 9.0 x 9.0 x 2.8 mm Pieces : 1 No's / Shape : Round Cab / Clarity : Translucent / Treatment : None](https://p1.liveauctioneers.com/6226/329465/178068207_1_x.jpg?height=310&quality=70&version=1716310377)
![5.12 Ct Natural Black Flashing Fire Opal Round Beads: Weight - 5.12 Ct / Size - 4.90 - 5.80 mm / 10 Pc's / Shape - Round Beads / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - Heated](https://p1.liveauctioneers.com/6226/330665/178343537_1_x.jpg?height=310&quality=70&version=1716576182)
![2.07 Ct Natural Blue Fire Opal Oval Cab: Weight - 2.07 Ct / Size -11.00 x 9.00 x 4.60 mm / Shape - Oval Cab / Color - Blue / Clarity - Translucent / Origin - Ethiopia / Treatment - Heated](https://p1.liveauctioneers.com/6226/330665/178343248_1_x.jpg?height=310&quality=70&version=1716576182)
![2.11 Ct Natural Multi-color Welo Opal Flasing Fire Oval Cab: Weight - 2.11 Ct / Size - 10.80 x 9.00 x 4.60 mm / Shape - Oval Cab / Color - Multicolor / Clarity - Transparent / Origin - Ethiopia / Treatment - None](https://p1.liveauctioneers.com/6226/330170/178011183_1_x.jpg?height=310&quality=70&version=1716309601)
News about American Opal
![Hold a rainbow in your hand: all-opal auction set for Feb. 28](https://www.liveauctioneers.com/news/wp-content/uploads/2023/02/Screenshot-2023-02-22-at-11.50.46-AM-1.png)
Hold a rainbow in your hand: all-opal auction set for Feb. 28
NEW YORK – On Tuesday, February 28, starting at 6 pm Eastern time, Jasper52 will present a sale titled Exclusive All Opal Auction. Absentee and Internet live bidding will be available through LiveAuctioneers.
![Massive opal sells for nearly $144K at Alaska auction](https://www.liveauctioneers.com/news/wp-content/uploads/2022/02/Screen-Shot-2022-02-22-at-12.44.00-PM.png)
Massive opal sells for nearly $144K at Alaska auction
JUNEAU, Alaska (AP) – A gemstone, billed as one of the largest gem-quality opals in existence, was sold for $143,750 at auction in Alaska on February 20. The opal, dubbed the Americus Australis, weighs more than 11,800 carats, according to the auction house Alaska Premier Auctions & Appraisals. It also has a long history.
![Australian museum to display opal regarded as best ever found](https://www.liveauctioneers.com/news/wp-content/uploads/2015/08/2015_0803_virgin-rainbow.jpg)
Australian museum to display opal regarded as best ever found
SYDNEY (AFP) – An Australian museum said Monday it would exhibit what it believes is the best opal stone ever found — a 6.0-centimeter (2.4 inch) multicolored gem unearthed in the Outback and named the ‘Virgin Rainbow.’
![Episcopal Diocese wants slave trade museum in old cathedral](https://www.liveauctioneers.com/news/wp-content/uploads/2014/11/2014_1118_Cathedral_of_St._John_lead.jpg)
Episcopal Diocese wants slave trade museum in old cathedral
PROVIDENCE, R.I. (AP) – The Episcopal Diocese of Rhode Island wants to open a slave trade museum and a national center for reconciliation in its now-closed cathedral in Providence. The Providence Journal reports that diocese officials approved the plans for the Cathedral of St. John last month. Diocese official Linda Grenz says Rhode Island’s role […]