Madiera Topaz and Diamond Portguese Gold Ring, Victorian Georgian. rgvc110 1960s - Modern Niello is a black compound

Niello is a black compound of silver sulfur and other metals used like enamel

White and Green contrast the highly polished black hardstone background in this large and impressive Pietra Dura piece

some reproductions of much poorer quality are being produced

1 inch diameter

Measures 6

Madiera Topaz and Diamond Portguese Gold Ring, Victorian Georgian. rgvc110 1960s - Modern Niello is a black compoundThis is a unique and beautiful ring hand fabricated of Portugese 19Kt yellow and white gold circa early to mid 1800's. The top is diamond shaped and features 3 sparkling Madiera topaz stones in a warm sherry color. There are also 5 rough cut small diamonds. (One diamond is missing, but it is not obvious). This is a very elegant and well made ring featuring Georgian styling at its finest. Because of the way the diamonds were cut, it's possible this