For expensive diamond engagement rings browse our extensive collections. Unique choices include over 1 carat diamonds, and those such as 2 and 3 carat sizes. Unique cuts such as Asscher cut diamonds, cushion cuts, old mine cuts, old European diamonds are all within reach. All of our luxury engagement rings are certified and come with a full appraisal. A breathtaking array of choices in antique, vintage and estate engagement rings awaits.