.39 Mid-Century Marquise Cut Diamond Wedding Band in Platinum.  This radiant Mid-Century diamond wedding band features three .12 carat marquise cut diamonds in platinum. The near-colorless diamonds are set in “x” shaped prong formation and dazzle next to the shimmering platinum band. The craftsmanship and character of this wedding band showcases the ingenuity of Mid-Century jewelry makers. Thoughtful and comfortable to wear, this diamond wedding band is sure to stay with you throughout the years.