An exceptional 3.07 carat Natural Ruby, certified by GRS (GemResearch Swisslab), featuring a beautifully proportioned heart shape and a rare vivid red color grade. This ruby displays outstanding brilliance and saturation, placing it among the most desirable qualities found in Mozambique rubies. According to the GRS report, this gemstone shows no indication of thermal treatment, making it significantly more valuable and sought after in the global gemstone market. The origin determination confirms it as a Mozambique ruby, known for producing rubies with vivid coloration and excellent clarity. Gemstone: Natural Ruby Color: Vivid Red (GRS grade) Shape: Heart Cut: Brilliant/Step (4) Weight: 3.07 ct Measurements: 8.56 × 8.47 × 5.32 mm Treatment: No indication of thermal treatment (No Heat) Origin: Mozambique Laboratory: GRS – GemResearch Swisslab Report Number: GRS2025-080282 Date: 29 August 2025 This is an excellent ruby for collectors, investors, or for creating a high-end jewellery piece.