This ladies vintage diamond engagement ring (circa 1930s) is crafted from platinum and 18k white gold. The center old miner’s cut diamond weighs 0.22 carats. The six surrounding old miner’s cut diamonds weight a combined total of 0.06 carats. All diamonds are graded with H-I color and clarity of SI1. The ring is size 8 and can be resizable. This antique engagement ring comes with an appraisal from a GIA Accredited Jewelry Professional. You’ve probably heard of the GIA, the Gemological Institute of America. This organization codified the Four C’s and they’re the group behind GIA Certified Diamonds. Your appraisal will have a full description of the materials used, the quality, and the retail replacement value of $2,800.00