The general stamps for platinum jewelry are PLAT and PT.In addition, platinum jewelry is also often stamped as follows:90% pure platinum jewelry - 900 Platinum, 900 Plat, Plat 900, Pt900 or 900Pt95% pure platinum jewelry - 950 Platinum, 950 Plat, Plat 950, Pt950 or 950PtStep 8Remember that a "950 Platinum" stamp means jewelry is 95 percent pure platinum, or 950 parts out of 1000. Such jewelry may also be stamped "PLAT," "PT," "950 Plat," "Plat 950," "Pt950," or "950Pt."Read more: How to Read Jewelry Stamps or Labels | eHow.com http://www.ehow.com/how_5794103_read-jewelry-stamps-labels.html#ixzz0u1cRd1ib
"18ct" refers to 18 carat gold, which indicates that the item is made of 75% gold and 25% other metals. "Plat" is most likely an abbreviation for platinum, so "plat 18ct" would suggest a piece of jewelry that is a combination of platinum and 18 carat gold.
Platinum jewelry is marked "Plat" or "950 Plat" and is nearly pure platinum. "IridPlat" is 90 percent platinum mixed with 10 percent other metals.
The letters plat is short for platinum.
mon plat means 'my dish' in English.
The stamp "c JH 18CT PLAT" indicates that the ring was likely crafted by a jeweler or manufacturer identified by the initials "JH." The "18CT" signifies that the ring is made of 18-carat gold, which contains 75% gold content. The "PLAT" indicates that the ring also contains platinum or has a platinum component, suggesting a combination of materials in its construction.
its only 18k gold plated, not full gold This could be incorrect. If the ring has 18K/PLAT then the ring is 18K gold with some platinum. Probably to hold the diamond.
"10ct plat" on the inside of a ring most likely means that the ring is made of 10 karat platinum. This indicates that the ring is composed of 41.67% pure platinum, with the rest being made up of other metals for durability and strength.
Plat stands for Platinum, and the 900 indicates purity, or 90% pure.
un plat à emporter is a takeaway dish in French.
PLAT engraved on the inside of the ring indicates that the ring is made of Platinum.
Usually this marking is used on PLATINUM a lot. It is used when jewelry is 90% PLAT and 10% IRID. IRID is the abbreviation for IRIDIUM (a silver looking alloy).