Product Details: 3pcs halo diamond ring oval cut Alexandrite engagement ring rose gold color change Alexandrite wedding band vintage women bridal ring set Product Specifications: Oval Cut Lab Alexandrite Halo Engagement Ring: Metal Sterling Silver, 10k/14k/18k gold, Platinum Center Stone Lab treated Alexandrite Shape Oval cut Weight approx 1.5 carat Size 6x8 mm Halo stones si-h 1.0mm diamonds Band Width 1.4mm Alexandrite and Dimond Ring Stack Band Stone I 1.5mm Alexandrites Stone II natural real si-h 1.1mm diamonds Band Width 1.6-2.2mm Set Bubble Set