A mythical antique sword, adorned with a radiant brown gemstone nestled at the hilt and boasting a sleek black handle intricately carved with intricate designs that dance along the gleaming blade. Surrounded by a photorealistic, cinematic lighting that adds an ethereal glow to the masterpiece, this digitally crafted concept art is rendered in the highest detail, offering an 8k resolution that showcases the sharp focus of the blade and the jewel's brilliance. A true testament to the quality and skill of the artist, this captivating image of the fantastical sword would undoubtedly take the title of a stunning masterpiece.

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