On most quality jewelry, the specifications of your jewelry (like gold karat) will appear as a hallmark, or a stamp (or several) on the back or underside of the piece. Hallmarks connote the purity or fineness of the precious metals.

Where is the stamp on a ring?

These stamps are usually found on the inside of a ring, on or near the clasp of a chain or bracelet, on the back of a pendant, and on the back or even the posts of earrings. Stamps are used by manufacturers to give information about the jewelry’s manufacturer, designer, gem carat weight, and metal purity.

Is all real jewelry stamped?

Does Real Gold Have to Be Stamped? In the U.S., there is a law that mandates that gold jewelry sold by a vendor must be stamped with a marking that indicates the item’s karat number. The law also states that the real purity of the piece can deviate by up to 0.5 karats from the karat stamp.

What kind of stamp is on a gold ring?

This usually indicates the ring size. A lot of jewelry will have several stamps or marks. Often there is one stamp to indicate the purity of the gold (“14K”, as mentioned above). The purity mark can be accompanied by a second mark called a maker’s mark or a jeweller’s stamp.

What does A.P stamped in a ring mean?

Will wait to hear from you Thanks for your attention. A. P stamped in a ring with a 10K or 14K means it is a HIGH QUALITY GOLD called “Plumb” You have to be a registered certified goldsmith to use this type of GOLD. The gold is certified PLUMB HIGH VALUE QUALITY. There…have a nice evening. A. Thanks, Sing!

What does the date stamp on a hallmark ring mean?

The final stamp on our ring is the date stamp which tells us the year this item was tested and certified for fineness. The shape of our letter ‘T’ tells us this ring was hallmarked in 1968. As you can see, a hallmark can tell us a lot about the item.

What do the letters mean on a ring?

Most people already know what some of the words and numbers mean, like 14K, PLAT, SS, .585 (and if not, see my full list of stamps and numbers here ). But the letters that usually ajoin these are very different indeed. 9 times out of ten, they don’t refer to the ring at all.