What Does 55 Mean on a Ring?

If you have a ring with a 55 carat center diamond, a common stamp will be ". 55". Sometimes, the number may be accompanied by a weight identifier such as: Carat Weight (cw): .

What do numbers inside rings mean?

The numbers mean “carat weight“. It's the carat weight of the diamond(s) in your ring. If you have a diamond solitaire and you see . 50 stamped inside the ring, that means the diamond is 1/2 carat. .

What do the letters stamped on jewelry mean?

Each number stands for the percentage of purity of gold, platinum, and silver. For gold, the stamps are 375, 585, 750, 916, 990 and 999. For silver, the stamps are 800,925,958 and 999. For platinum, the stamps are 850, 900, 950 and 999.