Art Deco graduated natural pearl and fancy intense blue diamond necklace

Probably Edmond Frisch, the 0.68ct marquise cut diamond forming the clasp.

With 83 rounded pearls, the clasp millegrain set and with engraved gallery and back, inscribed with a number 68, accompanied by a coil fitted soft case with stamp for Edmond Frisch, 576 Fifth Ave, New York, accompanied by scan copies of lab reports: GIA report no. 2221128259 for the 0.68ct diamond giving natural Fancy Intense Blue colour grade (no treatment) with SI clarity and GIA report no. 2221168056 for the pearls giving natural saltwater origin opinion with no indication of treatment.

Length 41cm / 16''
Centre pearl 7.25 x 7.18mm
Smallest 3.05 x 3.22mm
Weight: 11.5g