What is the meaning of these letters?

Topic: Other

Q

A. 14KT D7
B. 14KT LC
C. 10K HDS
D. 14K Ll
E. 18K GERSC
F. RSC 925 (Sterling)

Please fill in my missing blanks….thanks.

A

D.,

A) 14KT means 58.5% gold. D7 is probably manufacturer’s stamp.
B) 14KT means 58.5% gold. LC is probably manufacturer’s stamp.
C) 10K means 41.6% gold. HDS is probably manufacturer’s stamp.
D) GE means that the article is gold electroplate. It’s costume jewelry.
F) 925 means sterling silver. RSC is probably manufacturer’s stamp.

-Diamond Guy Apprentice