After finding inspiration on social media, the Dance Moms alum, 23, was set on getting a sparkler with an elongated cushion diamond ... band and a 6.82 oval-cut diamond with VS2 clarity.

“The cut is so unique,” he said. “It adheres to the proportions of the golden ratio and only 1 percent of the world’s diamonds have the elongated shape you need to recreate the cut and its ...