GRS Certified Natural Ruby – 3.01 ct (Mozambique, Untreated) An exceptional natural ruby of 3.01 carats, certified by GRS (GemResearch Swisslab, Switzerland). This gemstone exhibits a vivid to deep red color, the most sought-after shade for rubies, with outstanding brilliance and luster. Gemstone: Natural Ruby Weight: 3.01 ct Dimensions: 9.57 × 6.24 × 5.15 mm Shape/Cut: Oval, brilliant/step cut Color: Vivid to deep red Treatment: No indication of thermal treatment (FTIR-tested) Origin: Mozambique Certificate: GRS Report No. GRS2022-020423 (18th February 2022) Highlights: 100% natural and untreated – no thermal enhancement. Rich, vivid red color, highly prized in the gemstone market. Certified by one of the world’s most trusted gem labs. Ideal for collectors, investors, or setting in high-end jewelry. Mozambique rubies are celebrated worldwide for their beauty and value, often compared to the legendary Burmese rubies. A gemstone of this size, untreated, and with such vivid red color is a rare find – making it a strong investment piece as well as a treasure for any fine collection. This items will be shipped within 3 working days after successful bidding and confirmation of payment by Catawiki. We guarantee 100% quality of our products.