Gold ring, Au 375/1000 (9K). Yellow gold. Engagement ring with sapphires, evocating the big blue ocean. Sapphire is a birthstone of September, gemstone of the Taurus and Capricorn zodiac signs and the appropriate gift for the 45th anniversary of the wedding. Green sapphire improves the eyesight (internal and external) and helps to evoke memories of a dreams. It supports the work of heart chakra, brings loyalty and is developing personal integrity. This crystal enhances the ability of understanding and compassion for weakness as well as for other unique features of others. It eewards faith and reverence exhibited to the faith of others. Gemstone characteristics: Type: Genuine, natural gemstone - green sapphire. Country of origin:Thailand. Carat weight: 0.57 ct. Oval cut, faceted, dimensions ca. 5.9 x 4.1 mm. Color: Wonderful dark-green (rare color). Clarity: VS (small inclusions, confirming the authenticity of the gemstone, are invisible to the naked eye and only difficult to spot under 10X magnifier). Luster: Excellent. Hardness: 9.0 Mohs. Specific gravity: 3.95 - 4.03. Refractive index: 1.762 - 1.788. Width of the band ca. 2.1 mm.