Crispin Jewellery has dated this piece to the 1960s.
A stunning Vintage chain set with rose cut diamonds and natural cabochon sapphires
HALLMARKS
Hallmarks for 18ct yellow gold on clasp which is likely replacement and chain slightly older. Chain tests 18ct also

MEASUREMENTS
Chain width; just under 2mm, lovely smoothed antique links
Length; 29 inches
Natural cabochon sapphires; 4.5mm (x3)
Natural rose cut diamonds;3mm (x 2)
Weight; 10.1g
CONDITION
Superb condition, no dents. Minimal signs of wear commensurate of age.
Rare piece
Crispin Jewellery has dated this piece to the 1960s.
You can view the stock and full dealer information on the Crispin Jewellery Profile Page