18K White Gold 1/4 Cttw Round Diamond and 6x4mm Purple Tanzanite Halo 18" Pendant Necklace (H-I Color, VS1-VS2 Clarity)A shimmering 6x4mm emerald cut purple tanzanite gemstone is surrounded by sparkling round diamonds in pave settings to create this elegant pendant necklace. These glorious white diamonds are set in a halo around the centerpiece gem as well as along the bale of the pendant. This stunning piece is made of 18k white gold, a metal that will stay tarnish free for years to come. The diamond total 1 4 Cttw and are of an approximate H I Color and VS1 VS2