An Art Deco emerald and diamond rectangular cluster ring

An Art Deco emerald and diamond rectangular cluster ring,
with a rectangular trap cut emerald, milligrain set in a yellow collet. A border of cushion-shaped old Swiss cut and old eight cut diamonds, all grain set in white to a yellow basket with flared shoulders and a plain shank. Tested as approximately 18ct gold. 11.50 x 8.70mm, 3.18g.
Finger size L½ LE
Sold for £480

Condition report:
Surface reaching inclusions to the emerald with a very small hackly fracture to the table, only visible under 10X magnification. A very small chip to the table facet edge, with fine surface marks under 10X magnification.