| Antique | Yes |
| Main Stone Creation | Natural |
| Shape | lozenge |
| Color | Multicolor |
| Main Stone Color | Multicolor |
| Metal | Yellow Gold |
| Jewelry Department | Fine |
| Main Stone | Opal |
| Brand | Unbranded |
| Type | Ring |
| Metal Purity | Notched Acid tested 10K |
| Era | Victorian (1837-1901) |
| Main Stone Shape | Oval |
| Theme | Nature |
| Style | Cocktail |
| Country/Region Of Manufacture | United States |
| Country Of Origin | United States |
| Base Metal | Gold |
No Marks, notched acid tested 10K, see pictures for location of notch. Natural Opal in black backing, maybenaturally occurring back rock or man-made black resin, not set on Onyx, see pictures.