97.79ctw Tanzanite and 6.55ctw Diamond 14K Yellow Gold Necklace
One electronically tested 14KT yellow gold ladies cast and assembled tanzanite and diamond necklace. Condition is new, good workmanship. Eighteen and one-quarter inch length necklace features a tanzanite and diamond bezel dangle supported by a flexible tanzanite and diamond bezel ribbon transitioning into oval links, terminating in a box clasp with safety. Bright polish finish. Identified with markings of "14K". Containing:
Eleven prong set oval cabochon cut natural tanzanites approximate total weight of 97.79ct., clarity is heavily included, type I, medium dark, very slightly grayish, violetish blue color, (GIA vB 6/3), cut is good. Transmitting light with a minimum of distortion, transparent. Naturally occurring internal and external characteristics are present. Color grade is 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.
Four hundred sixty-eight prong set round brilliant cut diamonds approximate total weight of 468 Stones= 6.55ct. Color grade is an average for the group. Graded in the setting. Clarity I-2 to I-3 Color H - K
Total Weight of Colored Stones 97.79ct. Total Weight of Diamonds 6.55ct. Total Weight of Necklace 57.56 gm