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- Aardewerk, J.
Country City Amsterdam
Symbol cartouche, diamond, frame, gemstone, shield
Shape cartouche, diamond, frame, shield
Era early 20th century
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- Babaian Bros.
Country City Philadelphia PA
Symbol diamond, gem, gemstone
Shape diamond
Era c.1934
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- Brandt Co., J.L.
Country City New York NY
Symbol diamond, gem, gemstone, triangle
Shape diamond, triangle
Era c.1934 c.1950, c.1943
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- Davis Mfg. Co.
Country City Buffalo NY
Symbol diamond, gem, gemstone, torch
Shape diamond
Era c.1922, c.1934
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- Esser & Barry
Country City Providence RI
Shape badge, diamond, star
Symbol badge, diamond, gemstone, star
Era c.1915
-
- Falcon Stone Ring Mfg. Co.
Country City New York NY
Symbol bird, diamond, diamond ring, gem, gemstone, ring, wings
Shape diamond
Era c.1950
-
- Frackman Co., Jos.
Country City New York NY
Symbol diamond, diamond ring, face, gem, gemstone, people, ring, silhouette, woman
Shape diamond
Era c.1934
-
- Gording, H.B.
Country City Philadelphia PA
Symbol banner, bow, compass, crest, gem, gemstone, hammer, laurel, marquise, navette, shield, tool
Shape crest, marquise, navette, shield
Era c.1934, c.1943
-
- Griffith & Sons Co., R.L.
Country City Providence RI
Symbol arrow, diamond, gemstone, ring
Shape diamond
Era c.1915, c.1934, c.1950, e.1879
-
- Hatot, Léon
Country City Paris
Symbol cartouche, diamond, frame, gemstone, lozenge, rhombus
Shape cartouche, diamond, frame, lozenge, rhombus
Era c. early 20th century
-
- Ingomar Goldsmith & Co.
Country City New York NY
Symbol bird, diamond, gemstone, heart, wings
Shape diamond, heart
Era c.1896
-
- Johnson, Hayward & Piper
Country City New York NY
Symbol cartouche, circle, diamond, frame, gem, gemstone
Shape cartouche, circle, diamond, frame
Era c.1896
-
- Jonas & Brod
Country City New York NY
Symbol cartouche, diamond, frame, gem, gemstone, rectangle
Shape cartouche, diamond, frame, rectangle
Era c.1896
-
- Keller Jewelry Mfg. Co.
Country City New York NY
Symbol creature, diamond, dragon, gemstone, griffin
Shape diamond
Era c.1896, c.1915
-
- Kiger Co. Inc., C.A.
Country City Kansas City MO
Symbol diamond, gem, gemstone
Shape diamond
Era c.1934
-
- Koslow Inc., Nat
Country City New York NY
Symbol crown, diamond, gem, gemstone, pear shape
Shape diamond, pear shape
Era c.1950
