6.5 by 3.3mm for an approx. carat weight in range from 0.20 to 0.30ct. The total approx. carat weight ranges from 0.45 to 0.55ctw. The ring falls on a US Mandrel at a US Size 7. It is fully hallmarked, has been tested, and verified weighing in at 3.8 grams.
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