I am pleased to offer from my private collection this absolutely amazing and historically important antique diamond ring made c1920. NATURAL EARTH-MINED DIAMOND DECO PLATINUM ENGAGEMENT STATEMENT RING. ELEGANT DIAMOND PLATINUM GATSBY ERA SOLITAIRE. Striking deco jazz era ring featuring European cut diamond set in solid platinum. Special antique 1920s geometric design diamond platinum engagement ring. Hard to find natural earth-mined diamond flapper era platinum solitaire. Center beautiful European cut diamond approximately 0.66 carat. WHITE HI COLOR DIAMONDS. EYE CLEAR VS SI CLARITY DIAMONDS. Antique platinum ring additional 12 diamonds approximately 0.25 carat. RING DIAMONDS TOTAL APPROXIMATELY 0.91 CARAT. SOLID PLATINUM RING. Marked : 100 Irid. 900 PLAT. 9XX., LC. Size 8 1/2. I CAN SIZE. I USE ONLY FINE NATURAL EARTH MINED DIAMONDS IN ALL MY JEWELRY. EXCELLENT DESIGN. PERFECT DIAMONDS AND SUPERIOR CRAFTSMANSHIP. BECAUSE BETTER IS BETTER. MUSEUM QUALITY WORK OF ART. BUY IT NOW BEFORE IS GONE FOREVER. I HAVE BEEN SELLING JEWELRY FOR OVER 27 YEARS, SINCE 1999. /