Ziamond specializes in the finest quality cubic zirconia cz jewelry as well as lab made, lab grown and lab created ruby, sapphire and emerald jewelry, we also want to share with our customers more about Ziamond as a company.Ziamond specializes in the finest quality cubic zirconia cz jewelry as well as lab made, lab grown and lab created ruby, sapphire and emerald jewelry, we also want to share with our customers more about Ziamond as a company.