This diamond necklace with a solitaire diamond halo attached is made of 18K white gold and has a length of 17". It contains a GIA Certified round fancy yellow VS1 clarity, diamond weighing 7.94 CT, round F/G color VS2 clarity diamonds weighing 23.02 CTTW, and marquise F/G color SI clarity diamonds weighing 0.50 CTTW. The attachment on the necklace is removable.