Double Row Pearl Necklace Diamond Clasp

Reference: C.19.10
Necklace of 129 Japanese pearls, diameter 7.5 mm, made up of two rows of 68 and 61 pearls, respectively.
Threading with knots Rectangle clasp in 750 thousandths white gold embellished with 12 brilliants (modern cut diamonds) for around 0.30 carat all together, invisible ratchet and eight safety knobs.
Length: 50 cms approximately