Striking 4.21ct Onyx and Diamonds Brooch in 18k Yellow Gold & Platinum - IGI Certified This magnificent 18K yellow gold and platinum brooch is a masterpiece of color, texture, and light. At its center lies a 0.05ct round black onyx, framed by 31 fancy yellow diamonds with 0.68ct total and 18 color diamonds with 0.40ct total, all cut to a very good grade for vibrant sparkle. Adding depth and warmth, 308 fancy brown diamonds with 3.08ct total shimmer with a rich glow. IGI-certified, this brooch is an extraordinary statement of luxury and craftsmanship. Metal: 18k Yellow Gold & Platinum Main stone: 1 pc Onyx Main stone carat weight: 0.05ct Shape: Round Color grade: Black Side stone: 31 pcs Diamonds Side stone carat weight: 0.68ct Shape: Round Color grade: Fancy Yellow Clarity grade: VVS Cut grade: Very Good Side stone: 18 pcs Diamonds Side stone carat weight: 0.40ct Shape: Round Color grade: D-E Clarity grade: VVS Cut grade: Very Good Side stone: 308 pcs Diamonds Side stone carat weight: 3.08ct Shape: Round Color grade: Fancy Brown Clarity grade: VS-SI Cut grade: Good Total carat weight: 4.21ct Total jewelry weight: 59.25g Certificate Number: IGI 32J1007225 SKU: 249689 Size: L: 47mm W: 61mm * Helpful Information & Tips * * Got Questions? We’re here for you! Feel free to message us any time before or during the auction if you need help or have questions. * Check the Certificate Please take a moment to read through the certificate details carefully. It helps avoid any confusion or typos. * Shipping We ship securely with DHL or FedEx. Need to change your delivery address? Just send us a message on Catawiki after purchase. * VAT Info (Tax Details) • Hong Kong – No VAT • Switzerland – 8.1% VAT • France – VAT is paid by the buyer. Shipping includes brokerage. Delivery may take 7–12 business days. • Portugal – A local broker is required for delivery (new regulation) • Rest of the World – VAT rates vary by country. Once your package is shipped, the courier will contact you with the exact amount due and guide you through the payment process. * How to Pay VAT: No stress — the courier will handle it. You’ll pay VAT directly to them. We’ll guide you if needed. * Shipping to Another Address? No problem! Let us know your preferred address right after your purchase, and we’ll ship it there. * Reminders: • Please check your Catawiki messenger after winning — we’ll send all the important details there. • Gold is a soft metal. To keep your jewelry looking great, we suggest taking it off before sleeping, doing chores, cooking, or playing sports. • In case of returns: VAT, shipping, and customs fees are non-refundable. The buyer covers return shipping costs. * About Our Diamonds: All our diamonds are conflict-free and come from rough stones with a Kimberley certificate. * Explore More: Check out our live auctions! Click on the WILF3EX link next to the reviews icon to see all available lots. Thank You & Good Luck! :)