Fine jewelry is stamped or engraved with a variety of markings to indicate the materials with which it is made and its purity. To the average person, these mysterious markings can seem like a foreign language. Knowing how to interpret them can be helpful, they tell you what type of jewelry you have in your collection and enable you to describe it to potential buyers if you wish to sell the jewelry.
Note that a 950 platinum mark indicates that jewelry is 95 percent pure platinum, or 950 parts pure platinum out of 1,000. Identify this type of jewelry by any of these other marks, Plat 950, Pt950, PLAT, PT, 950 Plat or 950Pt. Remember that jewelry marked 900 Platinum is 90 percent pure platinum, or 900 parts pure platinum out of 1,000. Look for any of these other marks to indicate this type of jewelry, 900 Plat, Plat 900, Pt900 and 900Pt.
Silver Rhodium Plated Ring
Highly reflective and durable, rhodium is a precious metal that is often used to coat jewelry. For silver jewelry, it is added to prevent tarnishing. It is also often added to white gold jewelry, such as diamond rings, to create a bright finish and make the ring more durable. Unfortunately, the cleaning products most often used to clean diamond settings ammonia and a toothbrush can harm the rhodium plating on the rest of the ring
. Treat your rhodium plated ring as gently as possible and take it to a professional for cleaning if necessary.
Care Diamond Ring
If your diamond and pearl ring is looking dingy or dirty, a cleaning is in order. Cleaning a ring with a pearl and a diamond must be done carefully. While the diamond is a stone that can withstand many chemicals, the pearl is a soft stone that can’t. Strong chemicals and many jewelry cleaning machines aren’t suitable for pearls. It is, however, possible to get your ring clean without damaging the stones.