Sapphire facet ring. Blue spots? Yes. From Tanzania (Size: approx. 3.8mm) (Made of SILVER925, 18kgp finish) * Rhodium plated type (silver color) is also available. * Available in free size, sizes 5, 7, 9, 11, 13, and 15. Please specify your size in the comment section. * Due to the handmade nature of this product using natural stones, there may be cracks and irregularities.