This is a beautiful rare natural Montana Sapphire & Diamond Platinum Ring with GIA and AIG paperwork. At the center of the ring is a beautiful rare natural 3.33 carat Montana Sapphire with two forms of authentication, a G.I.A. and A.I.G. report. The stone is a natural Montana Sapphire with an outstanding oval modified brilliant cut crown with step cut pavilion having a high transparent clarity and rich blue coloring. The ring has a solid Platinum construction with high polish finish having a stepped dual bezel halo set with diamonds being accented by the diamonds set down the bands shoulder accented by a window lattice. Overall the ring shows 56 natural Diamonds with a round brilliant cut having a total weight of 0.50 carats, a high clarity of VS-2 to SI-1 and a color of F-H. The ring is from renowned designer Orianne Collins and is marked, "ORIANNE PT950". The Montana Sapphire is a Natural Corundum which has been heated. The piece has been authenticated and appraised by GIA (Gemological Institute of America GIA# 2175185689) and AIG (American International Gemologists, a GIA certified gemologists AIG# 000718176157) which confirms the above information and gives an appraised value of $12,940.00. Overall the ring has a total stone weight of 3.83 carats of precious gemstones and a total weight of 5.40 grams being constructed of rare Platinum in a size of 7.5 US. GIA is considered the highest standing in gemology reports and a natural Montana Sapphire of this size that is certified is immensely rare and desirable.