621ct Water Opal Rough Gemstone: AAA Grade Collector Piece Natural Water Opal Rough Gemstone | 621 Carats | AAA Grade | Large Collector Specimen Discover this impressive Natural Water Opal Rough Gemstone, weighing 621 Carats. This large natural rough opal is an excellent choice for gemstone collectors, lapidary artists, and jewelry makers. Its natural rough form makes it suitable for display, cutting, polishing, cabochon making, or creating unique custom jewelry. Gemstone Details Gemstone: Natural Water Opal Type: Rough / Raw Opal Weight: 621 Carats Grade: AAA Shape: Natural Rough Finish: Natural Quantity: 1 Large Collector Piece Treatment: Natural Use: Collection, Display & Jewelry Making Perfect For Gemstone Collectors Display Specimens Lapidary Cutting Cabochon Making Pendant Making Ring Making Custom Jewelry Wire Wrapping Artisan Jewelry Mineral Collections Please Note You will receive the exact gemstone shown in the listing photographs. Photos may be enlarged to show the natural details. Please refer to the listed weight and measurements for the actual size. Natural rough opal may contain inclusions, surface characteristics, and natural variations. Colour and appearance may vary slightly depending on lighting and monitor settings. Quality Assurance Every gemstone is carefully inspected before shipping to ensure excellent quality and authenticity. We are committed to providing genuine natural gemstones and reliable customer service. If you need different sizes, shapes, or wholesale quantities, please contact us for a custom listing. Shipping Information Processing Time: 2–5 Business Days Standard Shipping: 14–21 Business Days Express Shipping: 7–9 Business Days Secure packaging with tracking available.