Untermeyer-Robbins Company- New York, New York. Established 1902. Diamond importers, watch case manufacturer, gold and platinum rings, watch bracelets. Their last known listing was in 1950. Their makers marks were a long stemmed flower with two leaves and "UR" or also, just the flower (on cameo frames and older goods). Also included the trade names "American Beauty", and "Locked in Love".

From American Jewelry Manufacturers by Dorothy T. Rainwater, pages 243-244.

From American Jewelry Manufacturers by Dorothy T. Rainwater, pages 243-244.

Trade advertising from The Jewelers Circular- 1920s.

Trade advertising from The Jewelers Circular- 1920s.

Trade advertising from The Jewelers Circular- September 5, 1929.

Trade advertising from The Jewelers Circular- September 5, 1929.

Signed Untermeyer Robbins mans antique Art Deco 14k yellow and white gold sardonyx hardstone double headed warrior cameo ring. Circa 1920-40.

Signed Untermeyer Robbins mans antique Art Deco 14k yellow and white gold sardonyx hardstone double headed warrior cameo ring. Circa 1920-40. (Available in our webshops!) 

side view and makers mark of image #4.

side view and makers mark of previous image.

Signed Untermeyer Robbins antique Edwardian 14k gold European cut .32 carat diamond buckle ring, circa 1910-1920.

6 Signed Untermeyer Robbins antique Edwardian 14k gold European cut .32 carat diamond buckle ring, circa 1910-1920.

Signed Untermeyer Robbins antique Edwardian rose gold cameo brooch pin pendant. Dated and signed Fred to Lillian, 1913 on the back.

Signed Untermeyer Robbins antique Edwardian rose gold cameo brooch pin pendant. Dated and signed "Fred to Lillian, 1913" on the back. (Available in our webshops!) 

back view of image #7.

back view of previous image.

Signed Untermeyer Robbins antique Art Nouveau 14k yellow gold 12.72 carat citrine quartz intaglio cameo statement ring with unusual asymmetrical waves mounting. Circa 1910-1920.

Signed Untermeyer Robbins antique Art Nouveau 14k yellow gold 12.72 carat citrine quartz intaglio cameo statement ring with unusual asymmetrical waves mounting. Circa 1910-1920. (Available in our webshops!) 

side view of image #4.

side view of previous image.

Signed Untermeyer Robbins antique Art Deco 14k gold and platinum natural blue zircon solitaire ring. Circa 1920-40.

Signed Untermeyer Robbins antique Art Deco 14k gold and platinum natural blue zircon solitaire ring. Circa 1920-40.

inside view of maker mark, image #11.

inside view- makers mark of previous image.