![ART NOUVEAU ENAMEL AND GEM-SET PENDANT/BROOCH, BY ROBERT KOCH. Designed as a plique-à-grey pearl, circa 190 | Art deco jewelry, Art nouveau jewelry, Deco jewelry ART NOUVEAU ENAMEL AND GEM-SET PENDANT/BROOCH, BY ROBERT KOCH. Designed as a plique-à-grey pearl, circa 190 | Art deco jewelry, Art nouveau jewelry, Deco jewelry](https://i.pinimg.com/736x/29/94/14/2994144a3866378b19e853fd82cd47bf--art-nouveau-jewelry-water-art.jpg)
ART NOUVEAU ENAMEL AND GEM-SET PENDANT/BROOCH, BY ROBERT KOCH. Designed as a plique-à-grey pearl, circa 190 | Art deco jewelry, Art nouveau jewelry, Deco jewelry
Belle Epoque Style Imperial Russian Diamond and Aquamarine Tiara by Koch - Circa 1910 Provenance: Russian Crown Jewels Materials:… | Albion Art Jewellery Institute (@albionart.institute) on Instagram
![RARE EDWARDIAN TURQUOISE AND DIAMOND LOVE NECKLACE BROOCH FROM KOCH ROYAL JEWELERS | Antique Velvet Gloves RARE EDWARDIAN TURQUOISE AND DIAMOND LOVE NECKLACE BROOCH FROM KOCH ROYAL JEWELERS | Antique Velvet Gloves](https://www.antiquevelvetgloves.com/wp-content/uploads/2016/12/377-2.jpg)
RARE EDWARDIAN TURQUOISE AND DIAMOND LOVE NECKLACE BROOCH FROM KOCH ROYAL JEWELERS | Antique Velvet Gloves
Belle Epoque Style Imperial Russian Diamond and Aquamarine Tiara by Koch - Circa 1910 Provenance: Russian Crown Jewels Materials:… | Albion Art Jewellery Institute (@albionart.institute) on Instagram
![Founded in 1879, Robert Koch quickly became synonymous with exceptional jewels and fine craftmanship becoming 'Jeweller of the Court… | Jewels, Fancy rings, Jewelry Founded in 1879, Robert Koch quickly became synonymous with exceptional jewels and fine craftmanship becoming 'Jeweller of the Court… | Jewels, Fancy rings, Jewelry](https://i.pinimg.com/736x/c7/91/2a/c7912aa3ebc6a13d61db3bf1a947b7d3.jpg)
Founded in 1879, Robert Koch quickly became synonymous with exceptional jewels and fine craftmanship becoming 'Jeweller of the Court… | Jewels, Fancy rings, Jewelry
![1910, a previously pinned diamond and pearl kokoshnic by Koch. | Tiaras jewellery, Pearl tiara, Royal jewelry 1910, a previously pinned diamond and pearl kokoshnic by Koch. | Tiaras jewellery, Pearl tiara, Royal jewelry](https://i.pinimg.com/564x/38/19/79/381979cc608cbdf05345ad0ad2c5c1a0.jpg)
1910, a previously pinned diamond and pearl kokoshnic by Koch. | Tiaras jewellery, Pearl tiara, Royal jewelry
![Koch - A Belle Epoque diamond and pearl pendant/brooch, 1910-15. | Fine jewelry, Kay jewelry, Vintage jewelry Koch - A Belle Epoque diamond and pearl pendant/brooch, 1910-15. | Fine jewelry, Kay jewelry, Vintage jewelry](https://i.pinimg.com/originals/31/a4/41/31a4415b79124383906c5a97bdd25c61.jpg)
Koch - A Belle Epoque diamond and pearl pendant/brooch, 1910-15. | Fine jewelry, Kay jewelry, Vintage jewelry
![Historical Design I Bismarck Family, House of Koch, Chignon crown, Moonstones and diamonds set in platinum c. 1900 | Welcome to Historical Design New York Historical Design I Bismarck Family, House of Koch, Chignon crown, Moonstones and diamonds set in platinum c. 1900 | Welcome to Historical Design New York](https://historicaldesign.com/wp-content/uploads/2014/11/IMG_0059.jpg)