Beautiful vintage Rare Rita Ferguson, Scotland, lapis lazuli and sterling silver necklace. It is a  fusion of art nouveau and art deco styles. The necklace has a large oval lapis lazuli cabochon prong set in an openbacked  silver setting. It has a detailed decorative silver leaves and berries design fixed to a solid silver  arc shaped half torque with a silver chain with toggle clasp closure. The central cabochon measures approximately 3.6 x 2.6 cm . The clear internal diameter of the torque part measures approximately 16.5 cm wide x 9 cm . The necklace measures approximately 20 inches (52 cm). Weight is  60 grams. It is unmarked but has provenance by family descent. It is estimated to date from the 1930's to 1970's. It is in very good  condition. 

Condition: Very Good  condition
Colour/Gemstone : Silver 
Metal: Sterling Silver
Size: 20 inches (52 cm) approximately
Era:  Estimated 1930's to 1970's