14.14ct Tanzanite and 0.80ctw Diamond 925 Silver Necklace

Auction #1786 | Item #116

Current Bid: $600

Appraised Value: $9,705

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Electronically tested 925 silver ladies cast and assembled tanzanite and diamond necklace. Sixteen and one-half inch wearable length necklace features a rigid tapering stylized tanzanite and diamond chevron supported by a flexible tanzanite and diamond leaf ribbon, terminating in a diamond accented box clasp with twin safeties. Bright polish finish with milgrain detailing throughout. Trademark is A. I. Identified with markings of "925". Condition is new, good workmanship.

One hundred two prong set marquise mixed cut natural tanzanites approximate total weight of 14.14ct., clarity is eye clean, type I, medium dark, very slightly grayish, violetish blue color, (GIA vB 6/3), cut is good. Transmitting light with no distortion, transparent. Color grade is an average for the group. Graded in the setting. Natural Tanzanite, color enhanced due to cobalt coating. The presence of the coating prevents determining the stone's actual depth of color. Transmitting light with no distortion, transparent. Grading in the setting. The cobalt coated Tanzanite has a low tolerance to ultrasonic cleaning, and should not be cleaned using this method. 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.

One Hundred Forty-Four bead set round brilliant cut diamonds approximate total weight of 144 Stones = 0.80ctw. Graded in the setting.

Clarity I-2 to I-3

Color G - I

Total Weight of Colored Stones 14.14 ct.

Total Weight of Diamonds 0.80ctw.

Total Weight of Necklace 62.09 gm

SKU: 1123132