Art Deco 0.50 CTW Diamond Platinum Buckle Engagement Ring carved gemstone jewelry Circa late 1930's

Circa late 1930's

With maker's mark for Black Starr and Frost and stamped 18k for 18 karat gold

Completed by a pierced geometric gallery and deeply engraved with a stylized orange blossom motif and foliate

12 karat or higher gold

Art Deco 0.50 CTW Diamond Platinum Buckle Engagement Ring carved gemstone jewelry Circa late 1930'sCentering a transitional cut diamond weighing approximately 0. 40 carat; J color with VS clarity Set low in a stylized square form head featuring a lotus flower motif Flanked by looped and cinched shoulders as a stylized buckle motif that terminates as a subtle knife edge shank Accented by single cut diamonds weighing in total approximately 0. 10 carat; eye clean and white Stamped for platinum Circa: 1930s Ring Size: 6 3 4 & sizable Measures: 5. 0 mm