All jewellery houses and makers or designers
Jewellery houses
- Allsopp - Steller, INC.
- Asprey
- attributed Cartier, Paris
- attributed Marchak
- attributed: Wièse
- Bailey Banks & Biddle
- Binder Brothers
- Boucheron
- Boucheron, Paris
- Bucherer
- Bulgari
- Cartier
- Cartier U.S.A.
- Cartier, France
- Cartier, London
- Cartier, N.Y.
- Cartier, NY
- Cartier, Paris
- Castellani & Girardet
- Chanel
- Chaumet
- Child & Child
- Dankner
- Dior
- Ernst Paltscho
- Fannière Frères
- Fossin & Fils
- Fred
- Fred Leighton
- Fred, Paris
- Garrard
- George O. Street & Sons
- Gübelin
- Hedges & Co.
- Hermes
- J.E.Caldwell & Co.
- Jabel
- John van der Vet / Steltman
- Kern
- Krementz & Co.
- Lacloche
- Lacloche Frères
- Linzeler & Marchak
- Maison Chaumet
- Maison Robin
- Mappin & Webb
- Marchak
- Marcus & Co.
- Marina B
- Mauboussin
- Mauboussin, Paris
- McTeigue
- Mellerio
- Mellerio dits Meller
- Merrin
- OJ Perrin
- Oscar Heyman
- Pierre Cardin
- Pioté & Köchert
- Pomellato
- Raymond C. Yard
- René Boivin
- Riker Brothers
- Sampson Mordan
- Sterlé
- Sterlé Paris
- T.A. Kohn & Son
- Tiffany & Co.
- Top Notch Faceting
- Trabert – Hoeffer, Inc. & Mauboussin
- Van Cleef & Arpels
- Wiese
Makers or designers
- A. Augis
- A. Rivaud
- Aldo Cipullo
- Alexis Falize
- Antoine Beaudouin
- Archibald Dumbar
- Auguste Nicolas Cain
- B.J. Korthagen
- Bert Nienhuis and Louis van Kooten
- Bilbaut
- Busset
- C & C, possibly for Cohen & Charles
- Camille Fauré
- Carlo Giuliano
- Chretien Albier
- Couquaux
- Crosby
- Daniel Brush
- Diego Percossi Papi
- Domenico Bussolin
- E.B. Gonon
- Edmund-Henri Becker
- Edouard Aimé Arnould
- Emile Froment-Meurice
- Ernest Punter
- Eugène Fontenay
- Evald Nielsen
- F. Rasumny.
- Falize
- firma Niekerk, Schoonhoven
- Francescangeli Agostino
- Francois Herail
- Frans Zwollo Sr.
- Gabriel-Raoul Morel
- George Henry Harlow
- George Le Turcq
- George Paulding Farnham & Edward C. Moore
- George Pierre (GIP)
- Georges Fouquet
- Georges Lenfant
- Gerrit Beekhuys
- Giacomo Franchini
- Giacomo Raffaelli
- Giovan Battista Calì
- Goldsmiths & Silversmiths
- Hendrik Soorbeek
- Henri Vever
- Herbert le Quien
- Hermès
- Hopkins & Hopkins
- Hunt & Roskell
- Iris Nieuwenburg
- J.E. Caldwell
- Jacob de Groes
- Jacques-Joseph de Gault
- James Cromar Watt
- Jan Bernard Barckhuyzen
- JAR
- Jean & Georges Fouquet
- Jean Schlumberger
- Jeroen Krabbé
- Jia Fei Wen Yuan
- John Donald
- Karel Bartosik
- Kees de Goede
- Kurt Wayne
- Louis Féron
- Louis Wièse
- Lucien Coudray
- Lucien Falize
- Lucien Falize, Jean Daniel Martin
- Lucien Gaurait & Leon Gariod
- Lucien Gautrait & Leon Gariod
- M. Gérard
- M.A. Nichols
- Marina B
- Mario Buccellati
- Mathy, Paris
- Maurice Duvalet
- ML
- Mrs Philip Newman
- P. et freres
- Paul Robin
- Paul Robin & TW
- Pauline Wiertz
- Philip Sajet
- Pichler
- Pierre Sterlé
- Plácido Zuloaga
- Ploem & Colsoul
- Raymond Templier
- René Boivin
- René Lalique
- Robert Phillips
- Rudolf Steiner & Bertha Meyer Jacobs
- Sebastian or Paul Hess
- Suzanne Belperron
- TB Starr
- Top Notch Faceting
- Wièse
- Willem Redelaar