A detailed sketch of blue sapphire jewelry, featuring necklaces and earrings in various styles on an oldfashioned blueprint page with watercolor accents. The drawing is on white paper, showcasing the intricate designs and craftsmanship of each piece. A mannequin figure wearing one necklace adds depth to the scene./imagineOcean distribution，inspired by the world's blue waters, flowing and organic shapes, tranquil and vibrant, simple design,Crown,