That is a specific and impressive stone. A 2.55 ct Round with IF (Internally Flawless) clarity is a high-tier specimen, especially with an IGI certification. For a Catawiki Auction, the presentation needs to be more formal and data-driven than social media, as you are speaking to savvy collectors and professional bidders. Catawiki's experts and buyers value transparency and certification details above all else. Here is the structured marketing content for your Catawiki listing: Listing Title 2.55 ct Round Brilliant Diamond - IF (Internally Flawless) - IGI Certified Technical Specifications Carat Weight: 2.55 cts Shape & Cut: Round Brilliant Color Grade: J (Near Colorless) Clarity Grade: IF (Internally Flawless) Polish / Symmetry: [Check Cert: e.g., Excellent/Excellent] Fluorescence: [Check Cert: e.g., None/Slight] Certificate: IGI (International Gemological Institute) Report Number: [Insert Number] (Crucial for Catawiki trust) Auction Description (Marketing Copy) The Pinnacle of Purity: 2.55ct Internally Flawless Round Brilliant Offered for auction is a magnificent 2.55-carat natural diamond, distinguished by its Internally Flawless (IF) clarity grade. In the world of gemology, an IF rating signifies a stone with no inclusions visible even under 10x magnification—a rare benchmark of geological perfection. Key Features: Impressive Scale: At 2.55 carats, this diamond possesses a commanding physical presence, making it an ideal center stone for an investment-grade solitaire or high-jewelry piece. Soft Warmth: The J-color grade offers a sophisticated "antique white" hue. When set in yellow or rose gold, the warmth of the J-color blends seamlessly, allowing the IF clarity and fire of the round brilliant cut to take center stage. Full Certification: This stone comes with a comprehensive IGI Certificate, guaranteeing its natural origin and quality specifications. The diamond is laser-engraved with the report number for secure identification. This is a rare opportunity for collectors or jewelers to acquire a "clean" stone of significant size. Important Information for Buyers: 1. Customs and Import Fees: ○ Your country of residence may impose additional customs and import fees. These fees are the sole responsibility of the buyer. ○ The VAT is not included in the price of the stone as it depends on your country’s laws. ○ How to pay VAT? You will pay the VAT directly to the courier company upon delivery. 2. Country-Specific Information: ○ France & Portugal: French and Portuguese customs will only clear imported loose diamonds (gemstones) if they are handled by a local customs broker. The broker fee is not included in the price of the lot, and it will need to be paid separately. ○ Belgium: To import loose diamonds into Belgium, you must have a license and be registered at the Diamond Office. 2. Cancellation/Withdrawal by the Winning Bidder: ○ In case of a return, VAT, shipping fees, and customs fees will not be refunded. The buyer will be responsible for all costs incurred during the return shipment.