An Art Deco white gold jade and diamond oval cluster ring

An Art Deco white gold jade and diamond oval cluster ring,
with an oval jade cabochon, milligrain set to a border of rose cut diamonds with a shallow gallery, open shoulders and a plain shank. Tested as approximately 18ct gold. Head 18.10 x 14.40mm, 3.45g.
Finger size M½-N
Sold for £700

Condition report:
A hair line crack to the setting plate between two diamonds.
Some surface abrasion to the jade.
Possibly a later shank.