What Does 585, 750, 925, GP, GF Mean On Jewelry?

JEWELRY HALLMARK GUIDE

What Does My Jewelry Stamp Mean?

Enter the stamp or hallmark from your jewelry to learn what it commonly means. South Bay Coin professionally tests gold, silver, platinum, plated, and filled items.

Enter Your Jewelry Stamp

Try entering 585, 750, 925, GF, GP, or HGE.

Solid Gold Marks

417 = 10K Gold

585 = 14K Gold

750 = 18K Gold

916 = 22K Gold

999 = 24K Fine Gold

Silver & Platinum Marks

925 = Sterling Silver

999 Silver = Fine Silver

950 / PT950 = Platinum

900 PT = Platinum Alloy

Plated & Filled Marks

GP = Gold Plated

GF = Gold Filled

HGE = Heavy Gold Electroplate

RGP = Rolled Gold Plate

Vermeil = Gold Over Sterling Silver

A Stamp Is Only A Clue

Jewelry stamps can be worn, missing, incorrect, or misleading. South Bay Coin uses professional testing methods to verify the metal before making an offer.

Still Unsure What You Have?

Text us a clear photo of your item and stamp, or visit our showroom for a free, no-obligation professional evaluation.