![3.10 Ct Natural Ethiopian Multicolor Fire Opal Oval Cut Set: Gemstones: Natural Fire Opal /Carat Weights: 3.10 ct /Size or Dimensions: 8 X 6 mm /Treatment: None](https://p1.liveauctioneers.com/6851/331303/178691290_1_x.jpg?height=310&quality=70&version=1716797630)
Opal Price Results
![3.10 Ct Natural Ethiopian Multicolor Fire Opal Oval Cut Set: Gemstones: Natural Fire Opal /Carat Weights: 3.10 ct /Size or Dimensions: 8 X 6 mm /Treatment: None](https://p1.liveauctioneers.com/6851/331303/178691290_1_x.jpg?height=310&quality=70&version=1716797630)
![7.35 ct Australian Triplet Mosaic Opal: Gemstones: Australian Doublet Opal /Carat Weights: 7.35 ct /Size or Dimensions: 18 X 13 X 3.80 mm](https://p1.liveauctioneers.com/6851/331303/178691358_1_x.jpg?height=310&quality=70&version=1716803163)
![1.35 ct Australian Doublet Opal: Gemstones: Australian Doublet OpalCarat Weights: 1.35 ct Size/Dimensions: 12 X 6 mm](https://p1.liveauctioneers.com/6851/331303/178691395_1_x.jpg?height=310&quality=70&version=1716735572)
![0.80 Ct "Play Of Colors" Natural Black Opal: Gemstones: Natural Black Fire Opal /Carat Weights: 0.80 ct /Size or Dimensions: 8 X 6 mmTreatment: Heated](https://p1.liveauctioneers.com/6851/331303/178691309_1_x.jpg?height=310&quality=70&version=1716797947)
![0.80 ct Australian Doublet Opal: Gemstones: Australian Doublet OpalCarat Weights: 0.80 ct Size/Dimensions: 9 X 6 mm](https://p1.liveauctioneers.com/6851/331303/178691248_1_x.jpg?height=310&quality=70&version=1716735572)
![5.80 Ct Natural Ethiopian Fire Opal Rough: Gemstones: Natural Fire Opal /Carat Weights: 5.80 ct /Size/Dimensions: Unshaped /Treatment: No](https://p1.liveauctioneers.com/6851/331303/178691388_1_x.jpg?height=310&quality=70&version=1716803502)
![3.10 ct Natural Ethiopian Fire Opal: Gemstones: Ethiopian OpalCarat Weights: 3.10 ct Size/Dimensions: 12.6 X 8.6 X 5.70 mm](https://p1.liveauctioneers.com/6851/331303/178691052_1_x.jpg?height=310&quality=70&version=1716735572)
![5.85 Ct Natural Ethiopian Fire Opal Rough: Gemstones: Natural Fire Opal /Carat Weights: 5.85 ct /Size or Dimensions: Unshaped /Treatment: No](https://p1.liveauctioneers.com/6851/331303/178691082_1_x.jpg?height=310&quality=70&version=1716735572)
![9.45 Ct Natural Ethiopian Fire Opal Round Loose Beads: Gemstones: Natural Red Ruby /Carat Weights: 9.45 ct /Size/Dimensions: 5 - 6 mm /Treatment: No](https://p1.liveauctioneers.com/6851/331303/178691393_1_x.jpg?height=310&quality=70&version=1716803559)
![26.70 ct Natural Green Dendrite Opal: Gemstones: Natual Dendrite Opal /Carat Weights: 26.70 ct /Size/Dimensions: 25 X 18 X 5 mm](https://p1.liveauctioneers.com/6851/331303/178691318_1_x.jpg?height=310&quality=70&version=1716798109)
![5.40 Ct Natural Ethiopian Fire Opal Rough: Gemstones: Natural Fire Opal /Carat Weights: 5.40 ct /Size/Dimensions: Unshaped /Treatment: No](https://p1.liveauctioneers.com/6851/331303/178690785_1_x.jpg?height=310&quality=70&version=1716735572)
![5.25 Ct Natural Ethiopian Fire Opal Rough: Gemstones: Natural Fire Opal /Carat Weights: 5.25 ct /Size/Dimensions: Unshaped /Treatment: No](https://p1.liveauctioneers.com/6851/331303/178691268_1_x.jpg?height=310&quality=70&version=1716797377)
![0.85 Ct "Play Of Colors" Natural Black Opal: Gemstones: Natural Black Fire Opal /Carat Weights: 0.85 ct /Size or Dimensions: 8 X 6 mmTreatment: Heated](https://p1.liveauctioneers.com/6851/331303/178691288_1_x.jpg?height=310&quality=70&version=1716797605)
![0.70 Ct "Play Of Colors" Natural Black Opal: Gemstones: Natural Black Fire Opal /Carat Weights: 0.70 ct /Size or Dimensions: 8 X 6mm /Treatment: Heated](https://p1.liveauctioneers.com/6851/331303/178690990_1_x.jpg?height=310&quality=70&version=1716735572)
![5.10 Ct Natural Ethiopian Fire Opal Rough: Gemstones: Natural Fire Opal /Carat Weights: 5.10 ct /Size or Dimensions: Unshaped /Treatment: No](https://p1.liveauctioneers.com/6851/331303/178691361_1_x.jpg?height=310&quality=70&version=1716803199)
![0.80 Ct Australian Doublet Opal: Gemstones: Doublet OpalCarat Weights: 0.80 ct Size/Dimensions: 9 X 6 mm](https://p1.liveauctioneers.com/6851/331303/178690815_1_x.jpg?height=310&quality=70&version=1716735572)
![0.55 Ct "Play Of Colors" Natural Black Opal: Gemstones: Natural Black Fire Opal /Carat Weights: 0.55 ct /Size or Dimensions: 8 X 5 mmTreatment: Heated](https://p1.liveauctioneers.com/6851/331303/178691350_1_x.jpg?height=310&quality=70&version=1716798629)
![2.40 Ct Natural Ethiopian Multicolor Fire Opal Oval Cut Set: Gemstones: Natural Fire Opal /Carat Weights: 2.40 ct /Size or Dimensions: 8 X 6 mm /Treatment: None](https://p1.liveauctioneers.com/6851/331303/178690975_1_x.jpg?height=310&quality=70&version=1716735572)
![2.90 ct Australian Triplet Mosaic Opal Set: Gemstones: Australian Doublet Opal /Carat Weights: 2.90 ct /Size or Dimensions: 7 X 5 mm](https://p1.liveauctioneers.com/6851/331303/178690853_1_x.jpg?height=310&quality=70&version=1716735572)
![5.80 Ct Natural Ethiopian Fire Opal Rough: Gemstones: Natural Fire Opal /Carat Weights: 5.80 ct /Size/Dimensions: Unshaped /Treatment: No](https://p1.liveauctioneers.com/6851/331303/178691224_1_x.jpg?height=310&quality=70&version=1716735572)
![2.25 Ct Natural Canary Opal: Gemstones: Natural Canary Opal /Carat Weights: 2.25 ct /Size/Dimensions: 10 X 8 X 6 mm /Treatment: No](https://p1.liveauctioneers.com/6851/331303/178691365_1_x.jpg?height=310&quality=70&version=1716803235)
![0.50 Ct "Play Of Colors" Natural Black Opal: Gemstones: Natural Black Fire Opal /Carat Weights: 0.50 ct /Size or Dimensions: 7 X 5 mmTreatment: Heated](https://p1.liveauctioneers.com/6851/331303/178690915_1_x.jpg?height=310&quality=70&version=1716735572)
![1.00 Ct Natural Ethiopian Fire Opal: Gemstones: Natural Fire Opal /Carat Weights: 1 ct /Size or Dimensions: 9.60 X 6.60 X 3.40 mm /Treatment: None](https://p1.liveauctioneers.com/6851/331303/178691312_1_x.jpg?height=310&quality=70&version=1716797993)
![1.55 ct Australian Triplet Mosaic Opal: Gemstones: Australian Doublet Opal /Carat Weights: 1.55 ct /Size or Dimensions: 9 X 7 mm](https://p1.liveauctioneers.com/6851/331303/178691107_1_x.jpg?height=310&quality=70&version=1716735572)
News about nature and science
![Heritage Auctions announces new Dallas address](https://www.liveauctioneers.com/news/wp-content/uploads/2020/06/image001.jpg)
Heritage Auctions announces new Dallas address
DALLAS – Heritage Auctions has moved its global headquarters into a new state-of-the-art, 160,000-square-foot facility and multipurpose campus, befitting its status as the largest auction house founded in America. As of June 1, Heritage Auctions’ global headquarters is now located at 2801 W. Airport Freeway, Dallas, TX 75261, which is adjacent to Dallas Fort Worth […]
![Triceratops skull, skeleton discovered at construction site](https://www.liveauctioneers.com/news/wp-content/uploads/2017/08/Featured-Triceratops.png)
Triceratops skull, skeleton discovered at construction site
THORNTON, Colo. (AP) – A dinosaur fossil has been discovered in Colorado by construction workers.
![Dallas Auction Gallery site of appraisers seminar Sept. 22-23](https://www.liveauctioneers.com/news/wp-content/uploads/2017/08/FAE_logoSMALL.jpg)
Dallas Auction Gallery site of appraisers seminar Sept. 22-23
DALLAS – The sixth annual educational seminar of the Foundation for Appraisal Education will be held on Friday and Saturday, Sept. 22 and 23, at Dallas Auction Gallery, located at 2235 Monitor Street in Dallas. Like last year, the International Society of Appraisers will provide 15 professional development credits for those who complete full […]
![Field Museum scientists open Egyptian mummy coffin](https://www.liveauctioneers.com/news/wp-content/uploads/2014/12/2014_1209_gn91761_077d_lead.jpg)
Field Museum scientists open Egyptian mummy coffin
CHICAGO (AP) – Once the lid was off the wood coffin holding the 2,500-year-old mummified remains of a 14-year-old Egyptian boy, scientist J.P. Brown could relax. The conservator at Chicago’s Field Museum and three other scientists had just used clamps and pieces of metal to create a cradle to lift the fragile lid. Wearing blue […]