Clean your engagement ring regularly using either commercial jewellery cleaner or a solution of one part ammonia and six parts water. Dip the jewellery into the solution and use a soft brush to loosen any dirt that has accumulated under the setting. This will greatly increase the brilliance of your engagement rings.
In a well-made diamond studs, a high percentage of light entering through the crown starts out striking the pavilion outside the critical angle.
diamond wedding ring, known for over 3000 years, was probably first found in India as loose stone associated with the sand and gravel of riverbeds.