Earth mined Diamond Deco Engagement Ring and similar items

I am pleased to offer from my private collection this absolutely amazing and historically important antique diamond ring made c1920. NATURAL EARTH-MINED DIAMOND ART DECO ENGAGEMENT STATEMENT RING. ANTIQUE DIAMOND PLATINUM GATSBY ERA SOLITAIRE. Striking deco ring featuring European diamond in solid platinum. Exotic jazz era antique diamond engagement ring. Special euro cut diamond roaring 20s engagement ring. Beautiful genuine diamond approximately 0.61 carat. Ring additional 2 baguette diamonds and 2 round diamonds are 0.16 carat. Natural earth-mined diamonds. White GH color diamonds. Eye clear SI VS clarity diamonds. RING TOTAL DIAMONDS APPROXIMATELY 0.77 CARAT. SOLID PLATINUM RING. Marked - 900 PLAT. 7xxx. Size 6. 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 28 YEARS, SINCE 1999. I DELIVER EXCELLENT SERVICE AND HARD TO FIND RARE AND ESTATE JEWELRY FOR MY CUSTOMERS AT AFFORDABLE PRICES. I AM AN HONEST AND RELIABLE AND REPUTABLE SELLER. PLEASE TAKE THE TIME TO READ MY FEEDBACK AND BID WITH CONFIDENCE. I HAVE MANY REPEAT CUSTOMERS. THE JEWELRY I FIND AND MAKE FOR 48 YEARS IS RARE AND HIGH QUALITY. I SELL IT FOR AMAZINGLY LOW PRICES. THANK YOU FOR LOOKING AT MY STORE AND AUCTIONS. Diamonds measured and graded while set as setting allows. Weight calculated by formula and all grades and weights are approximate. We are professional, GIA trained gemologists and appraisers and are family have been in this business over 48 years. NOTE: PLEASE OBSERVE CAREFULLY THE PHOTOS! IT IS A SIGNIFICANT PART OF THE DESCRIPTION. Every possible defect which is shown in the photos, but not mention in the description, will be considered described. All the photos shoot by professional macro lens under 10x magnification, so you can explore even the smallest detail like under microscope!