0.40 Carat E Color Marquise Brilliant IGI Certified Natural Loose Diamond Embrace the striking elegance and exceptional brightness of this natural loose diamond, certified by the prestigious International Gemological Institute (IGI). Featuring a highly sought-after Marquise Brilliant cut, this diamond is renowned for its elongated silhouette that creates an illusion of greater size and maximizes brilliance. Boasting a premium, colorless E color grade, this brilliant gemstone offers magnificent light performance, making it the perfect centerpiece for a custom engagement ring, a bespoke pendant, or a rare addition to a gemstone collection. Technical specifications Diamond details Stone Type: Natural Diamond Shape and Cutting Style: Marquise Brilliant Carat weight: 0.40 Carat Color grade: Colorless (E) (Exceptional, premium top-tier color) Clarity grade: SI 2 Measurements: 7.69 x 4.09 x 2.03 mm Additional grading information Polish: Very Good Symmetry: Good Fluorescence: None (Highly desirable for maximum purity and clarity) Identification Features: Feather, Crystal Inscription(s): IGI 805628546 (Laser inscripted on the girdle for full authentication) Certificate number: IGI 805628546 Report Date: July 12, 2026 Important notice Please review the full technical specifications and the laboratory certificate details provided in this listing before bidding, as it is the buyer's responsibility to ensure the item meets their requirements. We strongly encourage you to review the attached laboratory certificate carefully to ensure full transparency before placing your bid. Dedicated client support Your experience is our top priority, and our team is fully available to answer any inquiries forwarded through Catawiki support prior to the auction's end. Once payment is completed, we provide direct, personalized assistance via the Catawiki messenger. Exquisite craftsmanship and care Each diamond is a meticulously selected work of nature. To maintain the breathtaking brilliance of your diamond, we recommend careful handling during setting and regular professional cleaning. We take pride in our ethics; all diamonds are responsibly sourced, conflict-free, and Kimberley Process certified. Secure global logistics We provide premium, fully insured shipping via DHL or FedEx Express. Custom delivery: If you require shipping to an alternate address, please notify us via the Catawiki messenger immediately following your purchase. Global VAT and tax guide Hong Kong: 0% VAT. Switzerland: 8.1% VAT. France: VAT is payable by the buyer. Please note that shipping to France may be higher as it includes professional customs brokerage services (estimated delivery: 7–12 business days). Portugal: Please be advised that new local regulations require a local broker for final delivery. Rest of the world: Statutory VAT rates vary by jurisdiction. Your courier will provide a seamless payment link and guidance once your parcel is in transit. Terms of sale In the event of a return, please note that VAT, original shipping charges, and customs duties are non-refundable. Return logistics and all associated costs remain the sole responsibility of the buyer.