This sophisticated lab-grown diamond ring exemplifies his signature style. 10k yellow gold with white rhodium at the center, a magnificent 1 1/2-carat round-cut lab-grown diamond gleams cushion-shaped polished borders and two halos or round-cut lab-grown diamonds surround the center stone pavé-set round-cut lab-grown diamonds decorate the sculpted shank all lab-grown diamonds are independently certified tapered for a comfortable fit total lab-grown diamond weight is 2 1/2 carats from the kay lab-grown diamonds collection