Mid-Century 3.24 CTW Diamond Turquoise 18 Karat White Gold Vintage Wire Halo Ring oscar heyman 5 mm round cabochon of

5 mm round cabochon of chrysoprase - translucent and a saturated bluish green

Fully signed with maker's mark for Leo DeVroomen

G color and VS1 clarity

Cross is lined with round 2

Fully signed Goshwara

Mid-Century 3.24 CTW Diamond Turquoise 18 Karat White Gold Vintage Wire Halo Ring oscar heyman 5 mm round cabochon ofCentering an oval shaped turquoise cabochon measuring 22. 0 x 15. 0 mm Opaque bright robin's egg blue with moderate saturation Set via talon pongs with a diamond halo surround Round brilliant cut and set with fishtail prongs Weighing approximately 3. 24 carats total G color with VS2 clarity With pierced wire gallery Flanked by tri split shoulders Tested as 18 karat gold Circa: 1950s Ring Size: 6 3 4 and sizable Measures north to south 29. 0 mm and