jeweler DATABASE - "i"

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​
I.B. GOODMAN

Hallmark(s):  "IBG"
Information:  I.B. Goodman was founded in 1937 by I.B. "Buster" Goodman, in Cincinnati, Ohio.  Works primarily in gold, silver and platinum
Jewelry hallmark of I.B. Goodman
I.B. Goodman
INTERNATIONAL GEMOLOGICAL INSTITUTE

Hallmark(s):  "IGI"
Information:  The International Gemological Institute (IGI) is an independent diamond grading lab that was founded in 1975, in Antwerp, Belgium.  
Jewelry hallmark of independent diamond grading lab, IGI - International Gemological Institute
International Gemological Institute
IMPERIAL

Hallmark(s):  "IWI", "IPS", "Imperial"
Information:  Imperial was founded in 1917 by Joseph Gladstone, and was later renamed Imperial Pearl Syndicate in 1941.  Works primarily in gold and silver.
Jewelry hallmark of Imperial Pearl
Imperial
Jewelry hallmark of Imperial Pearl
Imperial
INTERNATIONAL SILVER COMPANY

Hallmark(s):  "International", "IS", "International S. Co."
Information:  The International Silver Company was formed in 1898, in Meriden, Connecticut, by local independent silversmiths.  Worked primarily in sterling silver and silverplate.
Hallmark of International Silver Company
International Silver Company
Hallmark of International Silver Company
International Silver Company
IPPOLITA

Hallmark(s):  "Ippolita"
Information:  Founded in 1999, in New York City, NY by Italian-born designer, Ippolita Rostagno.  Works predominantly in gold and silver.
Jewelry hallmark of Ippolita
Ippolita
IVAN'S JEWELRY

Hallmark(s):  "IVAN'S"
Information:  Ivan's Jewelry was founded in 1967 by Ivan Pace in Pryor County, Oklahoma.  Works primarily in gold and silver.
Jewelry hallmark of Ivan's Jewelry of Pryor County, Oklahoma
Ivan's Jewelry