The marking "14k" on your earrings indicates that they are made of 14-karat gold, which means the metal is composed of 58.3% pure gold mixed with other metals for durability. The "dqcz" may refer to a specific manufacturer's mark or a design code, but it is not a standard designation. To get more precise information about "dqcz," you may need to contact the jeweler or manufacturer associated with the earrings.
DQ means Diamonique, CZ means Cubic Zirconia, JCM is the makers mark and 14k is the karat of your gold. So your necklace is real 14k gold, but the stones in it are Cubic Zirconias made to look like diamonds. JCM is the signature of the company that made your necklace.
Earings
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