Gold ring, Au 375/1000 (9K yellow gold). Unconventional engagement ring, made of yellow gold, with a solitaire diamond and 30 black diamond accents. It will shine on your hand as most shining star on the sky. Manual sorting grade. Commercial certificate. Jewel is inspected by State Assay Office (official state authority). Gemstone characteristics: Type: Genuine, natural gemstone - diamond. Country of origin: South Africa. Carat weight: 0.39 ct. Round, brilliant cut, faceted. Diameter ca. 4.22 mm. Color: Black. Clarity: Opaque. Luster: Excellent. Hardness: 10.0 Mohs. Specific gravity: 3.53. Refractive index: 2.417 - 2.419. Solitaire, central diamond setting with additional gold and diamond surrounding circle optically highlights and increases its size. Diamond ring contains 30 small black diamond accents of excellent quality with total carat weight 0.082 ct. Avoid cleaning diamond jewelry with solution containing ammonia (cleaning is recommended with mild soap and soft cloth only, then dry on blotting background). Do not expose diamond jewelry to temperatures over 300 °C. Pattern width ca. 11 mm, band width ca. 1.5 mm.