"G" - JEWELER DIRECTORY

Below is an alphabetized list of jewelry designers and manufacturers, along with photos of their corresponding maker's marks.

Click to enlarge each image.

Photos courtesy of Scott Papper, GIA GG, AJP, CM (NAJA), Global Gemology & Appraisals

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GABRIEL & CO.

Hallmark(s):  "Gabriel & Co."
Information:  Founded by Jack and Dominick Gabriel in 1989.  Works in gold and silver.
Jewelry hallmark of Gabriel & Co.
Gabriel & Co.
GEORG JENSEN

Hallmark(s):  "Georg Jensen", "GJLd", "GJ"
Information:  Legendary Danish silversmith, Georg Jensen, founded his company in 1904, in Copenhagen, Denmark.  Has made museum quality pieces.
GJ - jewelry trademark of legendary Danish silversmith, Georg Jensen
Georg Jensen
GEORGE LEDERMAN

Hallmark(s):  "GL", "LG"
Information:  George Lederman, Inc. was founded in 1945, in New York.  Works primarily in gold and platinum.
Jewelry trademark of George Lederman (LG)
George Lederman
GEORGIOS & CO.

Hallmark(s):  "G&C"
Information:  Founded in Mykonos, Greece in the early 1980s.  Handmade, Ancient Greek and Byzantine-style jewelry, primarily in gold and platinum.
GIORGIO BETTON

Hallmark(s):  "895 AL"
Information:  Giorgio Betton founded his company in Alessandria, Italy in 1959.  It now belongs to Barbara Betton.  Works primarily in gold and platinum.
Jewelry hallmark of Giorgio Betton (895 AL)
Giorgio Betton
GIOVANE

Hallmark(s):  "Giovane", "3224 AL"
Information:  Giovane was founded in Alessandria, Italy, sometime in the 1980s.  Works primarily in gold.
Jewelry hallmark of Italian designer, Giovane (3224 AL)
Giovane
GIOVANNI BALESTRA & FIGLI

Hallmark(s):  "13 VI", "Balestra", "Balestra 1882", "-B->"
Information:  Giovanni Balestra & Figli (Giovanni Balestra & Sons) was founded in 1882, in Vicenza, Italy.  Works primarily in gold and silver.
Jewelry hallmark of Giovanni Balestra & Figli
Giovanni Balestra & Figli
Jewelry hallmark of Giovanni Balestra & Figli
Giovanni Balestra & Figli
Jewelry hallmark of Giovanni Balestra & Figli
Giovanni Balestra & Figli
GIRARD-PERREGAUX

Hallmark(s):  "Girard-Perregaux 1791", "GP"
Information:  Girard-Perregaux is a Swiss luxury watchmaker with roots dating back to 1791 when founder, Jean-Francois Bautte made his first watches in Geneva, Switzerland.  The company didn't establish its brand name until 1856 when Constant Girard and Marie Perregaux married.  Works primarily in steel, gold and platinum.
Hallmark of watchmaker, Girard-Perregaux
Girard-Perregaux
Hallmark of watchmaker, Girard-Perregaux
Girard-Perregaux
GOLAN FINE CRAFTS

Hallmark(s):  "MGJ"
Information:  Golan Fine Crafts Industries (1993) Ltd.  was founded in 1993, in Israel.  Worked primarily in gold and silver.
Jewelry trademark of Golan Fine Crafts Industries
Golan Fine Crafts
GOLD ART

Hallmark(s):  "7 AR"
Information:  Gold Art, S.R.L. was founded in 1978 by Dominico Tavanti, in Arezzo, Italy.  Works primarily in gold.
Jewelry hallmark of Italian gold company, Gold Art
Gold Art
Jewelry hallmark of Italian gold company, Gold Art
Gold Art
GOLD FORCE INTERNATIONAL

Hallmark(s):  "GFI"
Information:  Gold Force International, Ltd. was founded in 1986 by David Neuberg and Howard Slochowsky, in New York City.  Worked primarily in gold, silver and alloyed platinum.
Jewelry hallmark of Gold Force International, part of the Richline Group
Gold Force International
GOLDIE

Hallmark(s):  "2393 VI"
Information:  Goldie, S.R.L. was founded by Maria Pia Pozzi in 1997, in Vicenza, Italy.  Works primarily in gold.
Jewelry hallmark of Italian jeweler, Goldie
Goldie
GOLD N DIAMONDS

Hallmark(s):  "GND"
Information:  Founded in 1992, in Greenbelt, Maryland.  Works primarily in gold.
Jewelry hallmark of Gold N Diamonds, of Greenbelt, MD
Gold N Diamonds
GOLDEN CLEF INTERNATIONAL

Hallmark(s):  "1758 AR"
Information:  Founded in 2006, in Arezzo, Italy.  Works primarily in gold and silver.
Italian jewelry hallmark for Golden Clef International
Golden Clef International
GOLD STONE JEWELRY
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Hallmark(s):  "GSJ"
Information:  Gold Stone Jewelry Corporation was founded in 1993 in New York, New York.  Works primarily in gold and silver.
Jewelry hallmark of Gold Stone Jewelry Corporation of New York
Gold Stone Jewelry
GORHAM
​
Hallmark(s):  "Gorham", "G"
Information:  Gorham Silver was founded in 1831 by Jabez Gorham and Henry L. Webster, in Providence, Rhode Island.  Gorham has produced silver for the White House, as well as prestigious trophies including the Borg-Warner Trophy for the Indianapolis 500, the Davis Cup for tennis, and the America's Cup for yachting.  Worked primarily in silver.
Hallmark for Gorham Silver
Gorham
Hallmark for Gorham Silver
Gorham
Hallmark for Gorham Silver
Gorham
GRASSMAN-BLAKE

Hallmark(s):  "G" triangle pictomark
Information:  Founded in 1949, in Millburn, New Jersey.  Produces pearl clasps primarily in gold and silver.
Jewelry hallmark of Grassman-Blake
Grassman-Blake
GREGG RUTH

Hallmark(s):  "Gregg Ruth", "GR"
Information:  Malibu, California-based company, founded in 1981 by Gregg Ruth.
GUCCI

Hallmark(s):  "Gucci", Interlocking Gs Pictomark
Information:  Gucci is an Italian luxury brand founded in 1921 by Guccio Gucci, in Florence, Italy.  Works primarily in gold, silver, platinum, and non-precious metals.
Jewelry hallmark of Gucci
Gucci
Jewelry hallmark of Gucci
Gucci
GUY HARVEY JEWELRY

Hallmark(s):  "Guy Harvey"
Information:  Nautora, the makers of Guy Harvey Fine Jewelry, was founded by Robbins and Danielle Rees in 1981, in Little Washington, North Carolina.  Works primarily in silver, but vintage pieces were produced in gold.
Hallmark of Guy Harvey Jewelry by Nautora
Guy Harvey
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