A close up of a necklace with a blue stone on a black background

jewelry photography，Diamond necklace，solid color background

lowres, bad anatomy, bad hands, text, error, missing fingers, extra digit, fewer digits, cropped, worst quality, low quality, normal quality, jpeg artifacts, signature, watermark, username, blurry, hat, cap, white background, simple background, low quality body parts, low quality clothes, poor background, poor grey background, low quality female, ((((missing arms)))), ((multi arms)), mouth mask, face tattoo, blurry, bad_prompt