Global Gemology - Rare Gems & Jewels
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"Y" - JEWELER DIRECTORY

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

Click to enlarge each image.


All photos courtesy of Scott Papper, GG, CMA, RGA, AJP, CSMP, CSSP.

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Y


YAFFA & SONS JEWELRY

Attributed Maker's Mark(s):  "Amoro Italy"
Information:  Yaffa & Sons Jewelry, Inc. was founded in 1997, in Miami, Florida.  Works primarily in gold.
Jewelry hallmark of Yaffa & Sons, of Miami, Florida (Amoro Italy stamp)
Yaffa & Sons

YOO'S

Attributed Maker's Mark(s):  "YOOS"
Information:  Founded in 1992 by Kwang Yoo, and his son, Jay Yoo, in Chicago, Illinois.  Works primarily in gold, silver, and steel.
Jewelry hallmark of Yoo's jewelry.
Yoo's

YUKI MITSUYASU

Attributed Maker's Mark(s):  "YUKI-ORIG"
Information:  Yuki Mitsuyasu Jewellery was founded in 2009 by Yuki Mitsuyasu, in Singapore.  Works primarily in gold.
Jewelry hallmark of Yuki Mitsuyasu Jewellery (YUKI-ORIG)
Yuki Mitsuyasu
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  • HOME
  • ABOUT
  • SHOP
  • SERVICES
    • APPRAISALS
    • EXPERT WITNESS
    • SELL YOUR JEWELRY
  • OUR CLIENTS
    • ATTORNEYS
    • ESTATE PLANNING PROFESSIONALS
    • INSURANCE COMPANIES
    • INDEPENDENT JEWELERS
  • GEMOLOGY
    • GEM ENCYCLOPEDIA
    • THE ART OF GEMOLOGY
  • BLOG
  • EDUCATION
    • DIAMOND FACTS
    • JEWELER DIRECTORY
    • JEWELRY PERIODS
    • POCKET WATCHES
    • NATIVE AMERICAN JEWELRY
  • GLOSSARY