Composition: silver, glass crystal (synthetic sapphire) Condition: very good Inner diameter: mm Color: silver, blue Marking: “925” Country: Germany Period: 1970-1990 Market value: 45-55 EUR This is a modernist style 925 sterling silver ringwitha synthetic blue sapphire-like crystal. The design features an abstract, sculptural form - silver bands are connected into an asymmetrical loop that subtly envelops the stone.The blue faceted stone enlivens the design, giving it depth and contrast. Product code: RF015