Type: Loose Gemstone Gemstone: Natural Opal Shape and Cutting Style: Round Mixed Cut Carat Weight: 1.72 ct Measurements: 9.04 – 9.08 × 5.43 mm Color: Yellow Transparency: Transparent Characteristics: Natural inclusion(s) pattern Comments: Play of color effect Certification Certified by International Gemological Institute (IGI) Report Number: 487188816 Report Date: August 4, 2021 Report Type: Colored Stone Report Condition Loose natural gemstone. Comes with original IGI report. Image on certificate is approximate. Shipping Secure packaging, fully insured and tracked shipping.