She'll be delighted to say yes to this charming oval-shaped white lab-created sapphire and diamond starburst frame engagement ring in white gold. Crafted in cool 10k white gold this choice shimmers with a 7. 0 x 5. 0mm oval-shaped white lab-created sapphire at the center. The sunburst frame sparkles with alternating trios of baguette-cut diamonds and duos of round diamonds. This engagement ring shines with 1/6 ct. T. W. Of diamonds.