Nature Inspired 1 Carat Round Cut Lab Created Alexandrite And Diamond Split Shank Engagement Ring In White Gold. Sometimes the simplest of rings are the most stunning, and this nature inspired lab grown alexandrite engagement ring just proves that. For something slightly more subtle, opt for this ring, which features a brilliant round shaped lab created alexandrite of 1 carat. The subtle split shank twigs on either side of the brilliant round cut alexandrite adds a contemporary touch to this classic ring. Set in four claws and white gold band with leaf design, this solitaire ring is a lesson in refined simplicity for the low-key bride. Handmade with detailed attention and deep love, this 1.35 carat round cut lab created alexandrite and diamond three stone engagement ring in white gold can also be customized to 18k Gold plating over silver, 10k Gold, 14k Gold or 18k Gold as per your preference.