Beautiful sky blue national very rare Hauynite (1.15ct,SI, Type III, Germany) hand set in solid 925 sterling silver. Haüyne is a highly sought-after gem due to its rarity and incredible, electrifying color. Its mesmerizing blue hues are unforgettable and as rich as those seen in the most prized Paraíba tourmalines. Haüyne is an extremely rare mineral and even rarer gemstone.  Haüyne also called Haüynite is one of the members of the sodalite group. It was named after René Just Haüy a French scientist and crystallographer. Colors range from blue to green but may also be white, yellow, pink, or red. Stones are seldom larger than 1 carat. Faceted material of intense medium to dark blue is highly prized by gemstone collectors. Today's engagement rings trends are more towards rare and unique colored gemstones. Size 6 can be resized up or down 1 size COMES WITH JEWELER'S REPORT