One electronically tested 14KT white gold ladies cast tanzanite and diamond ring with a bright polish finish. The ring features a tanzanite ribbon supported by mirroring diamond ribbons, terminating in a two and one-half millimeter wide band. Identified with markings of "14K". Condition is new, good workmanship. Containing: Nine channel set princess mixed cut natural tanzanites, measuring 3.20 x 3.00 x 1.95mm, 6%. bulge factor, approximate total weight of 1.53ct., clarity is eye clean, type I, medium dark, moderately strong, bluish violet color, (GIA bV 6/4), cut is good. Transmitting light with no distortion, transparent. Measurements & the color grade are an average for the group. Graded in the setting. Tanzanite is a very rare gemstone that is only found in the country of Tanzania. Originally discovered in 1967. Tiffany & Company, named the stone Tanzanite. It is found in the Usumburu Mountains that border the Umba Valley of northern Tanzania. Tanzanite occurs in gray, brown, violet, blue, reddish-purple, & green. The gem is interesting because of its exceptional pleochroism. Rotated in different directions a tanzanite will exhibit multiple changes of color. Tanzanite has a low tolerance to ultrasonic cleaning, and should not be cleaned using this method. Thirty-Six prong set round brilliant cut diamonds, measuring 1.50 - 1.40 x 0.87mm (depth est.) approximate total weight of 36 Stones = 0.40ct. Graded in the setting. Clarity: VS-1 to VS-2. Color: G - I. Total Weight of Colored Stones 1.53ct. Total Weight of Diamonds 0.40ct. Total Weight of Ring 6.26 grams. AIG Appraised at $3,635.00.