This setting fits gemstones of 1ct or larger The natural and lab diamonds in this listing are accompanied respectively by a GIA or IGI/GCAL certificate Band width: approx. 1.2-1.5mm tapered band (thickness may differ slightly based on the size of the center stone) Low profile six prongs decorative bezel setting Made of recycled solid 14k gold, solid 18k gold or platinum 14k Gold Halo Ring With Prong Setting, 14k Gold Diamond Ring With Halo For Anniversary, 14k Gold Birthstone Ring With Halo Design, Timeless Oval Sapphire Ring Vvs Clarity, Timeless Oval Sapphire Ring With Vvs Clarity, Oval Lab Grown Diamond Ring For Anniversary, Oval Lab Grown Diamond Ring In Fine Jewelry Style, Fine Jewelry Oval Ring With Lab-grown Diamond, Timeless 14k Gold Round Cut Sapphire Ring