| Country Of Origin | United States |
| Shape | Lozenge |
| Main Stone Creation | Natural |
| Signed | Yes |
| Color | Blue |
| Main Stone Color | Blue |
| Metal | Silver |
| Item Length | 3 in |
| Total Carat Weight | 4 carat |
| Secondary Stone | Marcasite |
| Jewelry Department | Fine |
| Main Stone | Blue Topaz |
| Vintage | Yes |
| Brand | Judith Jack |
| Setting Style | Bar |
| Type | Brooch |
| Department | Unisex Adults |
| Metal Purity | 925 |
| Main Stone Shape | Oval |
| Original/Reproduction | Original |
| Base Metal | Silver |
Brooch is 3" long and has mark and STERLING, and this classic art deco style brooch was made in the 1980s.