One electronically tested 14KT white gold ladies cast & assembled tanzanite and diamond necklace with a bright polish finish. Sixteen inch length necklace features a one and one-half inch length pendant consisting of a tanzanite set within a cascading diamond bouquet supported by a flexible stylized floral diamond ribbon transitioning into matching white gold links, terminating in a concealed clasp with safety. Identified with markings of "K14". Condition is new, good workmanship. Containing: One prong set oval mixed cut natural tanzanite, measuring 11.00 x 8.90 x 5.80mm, approximate weight of 3.87ct., clarity is eye clean, type I, medium, very slightly grayish, bluish violet color, (GIA bV 5/3), cut is good. Transmitting light with no distortion, transparent. 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. Three Hundred Nine prong set round brilliant cut diamonds, measuring 3.20mm to 1.50m, approximate total weight of 309 Stones = 9.73ct. The color grade reflects the entire range of color for this group. Graded in the setting. Clarity I-1 to 1-2. Color H -- K. Total Weight of Colored Stones 3.87ct. Total Weight of Diamonds 9.73ct. Total Weight of Necklace 41.46gm. AIG Appraised at $36,525.00.