IGI Certified Natural Diamond – 0.51 ct | Round Brilliant | Color S–T | SI2 This natural diamond is accompanied by an official IGI (International Gemological Institute) certificate, ensuring full transparency and independent grading. The stone features a Round Brilliant cut, the most sought-after shape, renowned for its timeless appeal and excellent light performance. With a weight of 0.51 carat, it sits in a highly desirable size range suitable for fine jewelry such as engagement rings, pendants, or bespoke designs. According to the IGI report, the diamond is graded Color S–T, offering a soft, warm tone, and Clarity SI2, where inclusions are typically not eye-visible without magnification. The cut grade is Very Good, supporting balanced brilliance and overall visual appeal. Polish and symmetry are graded Very Good / Good, with no fluorescence, contributing to a natural and stable appearance under different lighting conditions. The diamond is delivered sealed in its original IGI security box, exactly as graded and certified, providing confidence for collectors, jewelers, and end buyers alike. A solid option for buyers seeking a certified natural diamond with character, authenticity, and excellent value. Shipping & Important Information Ensuring the safety of your lots is our top priority. We rely on trusted carriers such as FedEx / DHL for secure, fully tracked shipments using their fastest express methods. Each diamond is carefully packed in a sealed, tamper-proof box to guarantee safe and prompt delivery. Customs or import duties may apply depending on your country of residence. For buyers in France, Portugal, and the Canary Islands, a customs broker may be required — all related costs are the buyer’s responsibility. Israeli bidders: Loose diamonds and jewelry are shipped internationally only. If the winning bidder cancels, they will bear all shipping and return import-duty expenses as specified by the seller. Each shipment includes one item and is sent via DHL Express or FedEx — combined shipping is not available. Discover more rare and collectible natural diamonds by visiting the seller’s page through a click on the seller’s name.