1.33 Carat Lab Diamond Round lab diamond Ideal Cut F SI1 IGI. This 1.33 Carat Lab Diamond loose lab diamond features Round shape and a Ideal cut. This lab diamond has been certified by IGI lab diamond laboratory as F color and clarity grade of SI1. Additional loose lab diamond details: lab diamond table size: 57.00; lab diamond girdle: Medium; faceted lab diamond measurements: 7.12 7.14; lab diamond polish: EX; lab diamond symmetry: EX; lab diamond culet: PO; lab diamond fluorescence; None. Jame Color, Diamond, Abstract Artwork, Heart With Arrow, Round, Natural Diamonds, Carats, Diamond Design, Loose Diamonds