Vintage 1.15 Carat Round Cut Natural Black Rutilated Quartz And Diamond Halo Engagement Ring In White Gold. If you are searching for an engagement ring and you like vintage jewelry, this version of vintage filigree black rutilated quartz and diamond ring may be just the one what you are looking for. This round cut engagement ring features 1 carat natural black rutilated quartz at the center which sits on a halo of 0.15 carat shimmering white diamonds. This vintage style ring redefines elegance by the subtle art work of filigree in the band. She is going to love this for sure. This halo ring is a show-piece everyone will have their eyes on. Not only does this ring have a dark and smoky color, but the inclusions of rutile give the crystal an out-of-this-world look. Since all our products are handmade by our well-experienced craftsmen, this vintage 1.15 carat round cut natural black rutilated quartz and diamond halo engagement ring in white gold can also be customized into 18k Gold plating over silver, 10k Gold or 14k Gold as per your preference.