This is a designer Michael Valitutti ring. It was sold as part of his Gems En Vogue Luxe Collection. It is crafted in solid 14k yellow gold with white & teal diamonds accenting three oval shaped chrysoberyl gemstones. These are earth-mined gemstones, and the chrysoberyl is rare. It's a stunning and very well-made ring. Stamped NH 14K Size 6 1.81 Carats Weight: 4.1 grams *Chrysoberyl is the third hardest gemstone. It is very scratch resistant and is rated 8.5 on the mohs scale. About the Designer: Michael Valitutti designs jewelry under the brand Gems en Vogue, which features European-inspired pieces with genuine gemstones set in sterling palladium alloy and 18K gold. His jewelry is inspired by art movements like Art Deco and the French Renaissance. Valitutti has a graduate Gemologist diploma from the Gemological Institute of America (GIA)