| Occasion | All |
| Color | Gold |
| Main Stone Color | Blue |
| Metal | Yellow Gold |
| Jewelry Department | Fine |
| Certification | None |
| Main Stone | Unknown |
| Vintage | Yes |
| Brand | Unbranded |
| Setting Style | Prong |
| Department | Women |
| Type | Brooch |
| Main Stone Shape | Round |
| Country Of Origin | Unknown |
You are buying: Vtg Yellow Gold Brooch 6.63g Fine Jewelry Blue Topaz Color Stone Pin READ . The pin back tests at 10K gold. The prongs for the stone test at low 8K gold. The rest of the brooch tests at 14K gold.