Basic Information Report Date: November 11, 2025 Report Number: 820551117 Testing Institution: Antwerp Laboratory for Gemstone Testing Description of jewelry subject Type: 18K white gold earrings (ONE (1) 18 KARAT WHITE GOLD EARRING) Material identification: Steel stamp marked with "Au750" (representing 18K gold) “S1.1ct.” Total weight: 2.46 grams Diamond Description The other diamonds included are all natural diamonds Central main stone (2 in total) Appraisal result: Natural Corundum, Sapphire Shape&Cut: Cushion, Mixed Cut Size: 5.86-5.95 × 5.34-5.48 × 2.79-3.12 mm Carat weight: 1.71 carats Natural diamonds with a total weight of 0.8 carats Color: Blue Transparency: Transparent Remarks Only the central main stone was detected No signs of heating treatment Additionally, buyers from some countries require a customs brokerage agent for customs clearance.Typically, the customer must designate a specific customs broker to have the package released from customs. Cancellation or Withdrawal of Purchase If the successful bidder decides to cancel or withdraw their purchase, they shall bear the risks, all shipping costs, and the import duties to be refunded to the seller. Shipping fees do not include customs and import charges. Value-Added Tax (VAT) and other customs fees shall be the sole responsibility of the buyer.