Most diamond studs are over three billion years old, two-thirds the age of the Earth. There are a few "youngsters", though, which are only 100 million years old.
The diamond engagement ring shoppers paradise has moved from Amsterdam to Antwerp ( Belgium ) after World War II. Nowadays Amsterdam is known for its tulips and canals.
A diamond fashion which has no apparent colour is termed colourless. The colourless diamond stud earrings transforms the light which enters it and acts as a prism, dividing light into a rainbow of colours known as the ‘fire’ of the diamond.