14.93ctw Tanzanite and 8.34ctw Diamond 14K White Gold Necklace
One electronically tested 14KT white gold ladies cast and assembled tanzanite and diamond necklace. Condition is new, good workmanship. Seventeen and one-quarter inch length necklace features a flexible tanzanitc and diamond floret ribbon, terminating in a concealed clasp with twin safeties. Bright polish finish. Trademark is Orianne. Identified with markings of "14K". Containing:
Thirty-one prong set oval mixed cut natural tanzanites, measuring 6.00 x 4.00 x 2.60mm, approximate total weight of 14.93ct., clarity is eye clean, type I, medium, slightly grayish, bluish violet color, (GIA bV 5/2), cut is good. Transmitting light with no distortion, transparent. Measurements and 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 and 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, and 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.
Five hundred eighty-nine prong set round brilliant cut diamonds approximate total weight of 589 Stones = 8.34ct. Graded in the setting. Clarity I-2 to I-3
Color F - H
Total Weight of Colored Stones 14.93ct. Total Weight of Diamonds 8.34ct. Total Weight of Necklace 32.87 gm