DCL
RA is the initial of the company that made it. The initials might not be registered.
rnd is the abbreviation for round meaning one row
It’s a maker’s stamp. Likely the initials of the silversmith that made your jewelry.
cou could be looking at initials.
never heard of nc initials on 10k,14k,18k etc,unless it referred to the company initials,or the maker initials of the piece of jewelry.
These are initials for Dana Augustine who is a jewelry designer
The initials K.P. when found on a piece of gold jewelry indicate that the piece of jewelry is not one hundred percent gold, but only plated with gold. K.P. stands for "karat plate."
LC usually stands for Liz Claiborne.
The initials DD on jewelry may have a number of meanings. The most common meaning is Desert Diamonds which means that it is from Dubai.
Typically such letters are the initials of the person who designed and/or made the jewelry item.
it can refer to the jewelry makers initials or company initials. using those same intials GS usually means gold over silver when it is stamped inh the order of GS.