Natural diamond graded Fancy Greenish Yellow, certified by the IGI – International Gemological Institute. This diamond is 100% natural in color, NOT treated (no irradiation or enhancement). Details: Carat weight: 0.68 ct Shape: Cut-Cornered Rectangular Modified Brilliant Color: Natural Fancy Greenish Yellow Clarity: SI1 Polish: Good Symmetry: Good Fluorescence: Very Slight Certification: IGI (report included and verifiable online) Includes full IGI report with clarity plot. Important notes: Natural fancy color (no color treatment) - Certified and verifiable - Loose stone, ready for setting - Good opportunity for collectors and custom jewelry