This unique lab-grown diamond solitaire crown necklace is a gift fit for royalty. 14k yellow gold the pendant features a five-point crown-shaped lab-grown diamond color rank of f and clarity of si2 the independently certified lab-grown diamond is laser-inscribed with a unique gemscribe® serial number total lab-grown diamond weight is 5/8 carat 18-inch cable chain with lobster clasp from the kay lab-grown diamonds collection