Logan Hollowell Online & In-Store Exclusive 18k Yellow Gold, Rose Gold, White Gold, or Platinum. Pictured is a 7.25ct elongated cushion shape white diamond, but can fit any stone size of your choosing. Designer's Choice: The Ophelia Setting is available in a two-tone design. Final price varies depending on carat weight, color, and clarity of center stone. Please schedule an in person or virtual appointment to learn about our engagement ring process and pricing. Options for upgraded diamonds or custom gemstones always available.