Yellow Sapphire - 4.15 ct - Gem research Swiss Lab (GRS) - No Heat, Type 1

Royal Antwerp Gem – Natural Greenish-Yellow Sapphire – 4.15 ct – Madagascar – No Heat – GRS Swiss Lab Certified ⸻ DESCRIPTION An attractive Natural Greenish-Yellow Sapphire weighing 4.15 ct, displaying a distinctive combination of soft green and yellow tones. The gemstone features a classic oval shape with a brilliant/step cut, giving it an elegant appearance and emphasizing its unusual natural fancy color. The sapphire has been examined and certified by GRS GemResearch Swisslab, Switzerland. According to the GRS report, its geographic origin is Madagascar. Importantly, the report states “No indication of thermal treatment”, confirming its unheated status. GRS has also applied a Color Stability Test – Type 1, as stated on the laboratory report. At over 4 carats, the combination of substantial size, unusual greenish-yellow color, unheated status, Madagascar origin and GRS certification makes this an interesting gemstone for a collection or a unique bespoke jewelry piece. ⸻ SPECIFICATIONS Gemstone: Natural Sapphire Weight: 4.15 ct Color: Greenish-Yellow Shape: Oval Cut: Brilliant/Step (5) Dimensions: 10.34 × 8.16 × 5.45 mm Origin: Madagascar Treatment: No indication of thermal treatment Color Stability: Type 1 Laboratory: GRS GemResearch Swisslab, Switzerland Report No.: GRS2026-097518 Report Date: 17 September 2026 ⸻ SHIPPING The gemstone will be shipped securely, fully insured and with international tracking. Professional handling and careful packing are provided to ensure safe delivery. ⸻ PACKAGING The gemstone will be carefully packed in a protective gemstone box/bag together with its original GRS GemResearch Swisslab report. ⸻ DEALER NOTE PARAIBA – Fine Gemstones We specialize in carefully selected natural colored gemstones, with a focus on quality, transparency and professional gemological certification. Our gemstones are individually selected and, where appropriate, submitted to internationally recognized gemological laboratories for independent examination. ⸻ NOTES Photographs are taken to represent the gemstone as accurately as possible. Actual colors may vary slightly depending on lighting conditions, camera settings and screen calibration. Fancy-colored sapphires may display variations in color and tone depending on lighting conditions and viewing angle. Please refer to the GRS report for independent gemological identification, treatment information, color stability testing and origin determination.

Estimation:€6,800

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