Late Art Deco 1.31 CTW Diamond Platinum Engagement Ring GIA diamnd Centering a hardstone intaglio displaying

Centering a hardstone intaglio displaying an uppercase 'G' in reverse

Consisting of inlaid mother-of-pearl and nephrite jade - varying in size and shape

Completed by a concealed hinged clasp with figure-eight safety

0 mm circular opening for a cigar and is with a navette opening for excess

With maker's mark and stamped 18K for 18 karat gold

Late Art Deco 1.31 CTW Diamond Platinum Engagement Ring GIA diamnd Centering a hardstone intaglio displayingFeaturing an old European cut diamond weighing 1. 11 carats I color with VS1 clarity Set by stylized V prongs in a square form head Flanked by geometric cathedral shoulders accented by milgrain Set with single and straight baguette cut diamonds Weighing collectively approximately 0. 20 carat eye clean and white Stamped for platinum Circa: 1930s Ring Size: 5 3 4 & sizable Measures: North to South 6. 5 mm and sits 5. 5 mm high Total weight: 3. 1 grams