Scattered with cool shades of blue, this mosaic-style ring features 2.5-3mm round and 2.5x5mm marquise turquoise cabochons, .66 ct. t.w. mul… Scattered with cool shades of blue, this mosaic-style ring features 2.5-3mm round and 2.5x5mm marquise turquoise cabochons, .66 ct. t.w. multi-shaped London, Swiss and sky blue topaz, and .12 ct. t.w. round lab-grown diamonds. Lab-grown diamonds are identical to mined diamonds according to their optical, physical and chemical properties. Crafted in polished 18kt yellow gold over sterling silver. 1/2" wide. Turquoise, multi-gemstone and lab-grown diamond ring.