Current Bid: $7,000
Appraised Value: $50,295
One electronically tested 14KT white gold ladies cast & assembled tanzanite and diamond necklace. Condition is new, good workmanship. Seventeen and one-quarter inch length necklace features a pendant consisting of a tanzanite set within two tiered diamond bezels supported by a flexible diamond ribbon, terminating in a concealed clasp with twin safeties. Bright polish finish. Trademark is Orianne. Identified with markings of "14K". Containing:
One prong set oval modified brilliant cut natural tanzanite, measuring 17.10 x 12.98 x 9.66mm, exact weight 13.92ct., clarity is eye clean, type I, medium dark, moderately strong, violetish blue color, (GIA vB 6/4), cut is good. Transmitting light with no distortion, transparent. GIA Gemological Report attached. Graded loose prior to setting in the GIA Laboratory, Report #2161545059.
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.
Two hundred eighty-one prong set round brilliant cut diamonds approximate total weight of 281 Stones = 6.21 ct. The color grade reflects the entire range of color for this group. Graded in the setting.
Clarity I-1 to I-3
Color G - J
Total Weight of Colored Stones 13.92ct.
Total Weight of Diamonds 6.21ct.
Total Weight of Necklace 22.53 gm