Vintage Deco Cocktail ring in White Gold featuring Huge Spinal feature stone, corner set

Vintage Deco Cocktail ring in 10ct White Gold featuring 1 inch/ 2.5mm Spinal feature stone, Multi faceted with a cut corner and stepped facet design, is corner set in a 2.45-1.92 wide shank, stamped 10k.  The ring is in a  very good condition.  

Circa 1940s

Spinal- synthetic/lab created as would be expected for this era and the size of the stone.  Measurments: 17.90 x 5.25 

A substantial ring weighing in at 5.30 grams

Value is $1600, Independent valuation is included in this sale.