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1 91ct GIA Certified E SI2 Vintage Diamond

0.95ct (5.96-5.59mm). Antique 1ct old mine european cushion cut diamond h si2 certified loose vintage for additional details, please see below. We are now one of the largest dealers of antique jewelry and diamonds in Chicago. All of our Diamonds and Colored Gemstones are guaranteed to be 100% Earth-mined stones unless otherwise stated.