Treat yourself to a unique blend of lab-grown diamonds and mined gemstones at an incredible value. Sparkling with pretty pastel hues, our ne… Treat yourself to a unique blend of lab-grown diamonds and mined gemstones at an incredible value. Sparkling with pretty pastel hues, our necklace shimmers with 12.60 ct. tot. gem wt. emerald-cut drops of prasiolite, amethyst, sky blue topaz and lemon quartz, which alternate with icy .66 ct. t.w. round brilliant-cut lab-grown diamonds. Crafted in 18kt yellow gold over sterling silver. Lab-grown diamonds are identical to mined diamonds according to their optical, physical and chemical properties. Cable chain includes a 2" extender. Lobster clasp, multi-gemstone and lab-grown diamond necklace.