circa 1920s
This Art Deco era platinum and gold (prongs) cluster ring features a Persian turquoise cabochon framed by bright white and very sparkly old European and old mine cut diamonds (F-G color, SI clarity).
The turquoise measures 10.52 x 7.54 x 3.20 mm and is approximately 1.85 ct.
Estimated total diamond weight is 2.10 ct.
The turquoise and diamond cluster measures 20 x 15 mm (2/3 x 5/8 in.)
Ring size 7.75 (18 mm) sizable