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“Kohl Diamond" NYC, 1912
A HISTORY OF INNOVATION
For over 100 years we have been developing innovative ways to design and manufacture new ideas that touch every facet of the Jewelry Industry.
These ideas consist of patented ideas such as the InterLock Clasp, EarringLock
earring fastener, the Jewel-Lock Ring System and more continue lead the way in
Jewelry Innovation.
EARRINGLOCK
Patent No. 6,138,917
All of these patented ideas were achieved by combining basic
geometry with sense of design in doing so, we achieved
one piece designs that yield common sense solutions to
long standing problems. Creating the perfect balance
between form and function.
JEWEL-LOCK RINGS
Patent No. USD604,193 S
In short, every is uniquely designed from the inside out.
THE BETTER HALF
INTERLOCK CLASP
JEWEL-LOCK RING SIZERS
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EARRINGlOCK SUPPORT JACKETS
JEWEL-LOCK MANDREL
THE AMERICAN SHANK
PRINCESS CUT PRE-NOTCH
Did you know that in 1890 the patent office was
going to close due to the lack of patent applications.
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Patent No. USD598791 S
Patent No. US d560,135 S
Patent No. US 6,260,384B1
Patent No. US d560,135 S
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