Kay Jewelers Diamond Bridal Set 3/8 carat tw 10K White Gold- Engagement Rings: A princess-cut white diamond, framed by round white diamonds, holds court in this elegant engagement ring for her. Round Artistry Blue Diamonds™ add color to either side of the center. The matching wedding band is lined with round Artistry Blue Diamonds™. The bridal set, with a total diamond weight of 3/8 carat, is set in 10K white gold. Artistry Blue Diamonds™ are treated to permanently create the intense blue color.