Gold ring, Au 375/1000 (9K). White gold. Suitable as an engagement ring. Unique ring dazzles with remarkable, sunny diamond. Gemstone characteristics: Type: Genuine, natural gemstone - diamond. Country of origin: South Africa. Carat weight: 0.22 ct. Square (princess) cut, faceted, dimensions ca. 3.26 x 3.16 mm. Color: Fancy, wonderful, vivid yellow. Clarity: SI (small inclusions, confirming the authenticity of the diamond are almost invisible to the naked eye). Luster: Excellent. Hardness: 10.0 Mohs. Specific gravity: 3.50 - 3.53. Refractive index: 2.417 - 2.419. 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. Width of the band ca. 2.2 mm.