Vintage Costume Jewelry Brooches
Updated August 18, 2026
| Lot number | 29 |
| Category | Jewelry & Watches |
| Auction | Art, Jewelry, Antiques & Estate Auction |
| Date | August 26, 2026 at 8:05 PM EDT |
| Auction house | Amber Door Estate Sales Inc. |
| Location | Niagara-on-the-Lake |
This lot comprises seven vintage gold-tone costume jewelry brooches in various motifs and styles. The collection includes a large, curved leaf-design brooch featuring a pave setting of clear round rhinestones bisected by a black enamel vein; the reverse of the stem is stamped with the Monet maker's mark. A geometric octagonal frame brooch in polished gold-tone metal bears the marks of both Coventry and Givenchy on the reverse, identifying it as a collaboration piece between Sarah Coventry and Hubert de Givenchy. A modernist-style brooch is formed from three interconnected, polished rings. A floral-motif brooch features multi-layered textured petals accented with small round rhinestones and a central cluster of cream-colored faux pearls. A marquise spray brooch is set with faceted clear stones in a gold-tone prong setting. A curved ribbon-design brooch is set with two rows of clear round rhinestones. A small figural brooch depicts a jester or harlequin in an antiqued gold-tone finish. All pieces are equipped with traditional pin-back mechanisms and safety clasps. Dimensions (measured against a ruler, only inches shown): Leaf brooch: approx. 8.9 cm in length Intertwined circles brooch: approx. 6.4 cm in diameter Floral brooch: approx. 6.4 cm in width Ribbon brooch: approx. 5.1 cm in length Marquise spray brooch: approx. 4.4 cm in width Octagonal brooch: approx. 3.2 cm in diameter Jester brooch: approx. 2.5 cm in height. Condition: The collection is in overall good vintage condition. All rhinestones and faux pearls appear present and secure in their settings. Minor surface wear is visible, including fine scratches and light oxidation to the metal finishes consistent with age and typical use. All pin-back mechanisms and safety clasps are in functional condition.
