One electronically tested platinum ladies cast tanzanite and diamond ring with a bright polish finish. Condition is new, good workmanship. The featured tanzanite is set within a diamond floret bezel supported by diamond set shoulders, completed by a three millimeter wide band. Trademark is Orianne. Identified with markings of "PT950". Containing: One prong set cushion modified brilliant cut natural tanzanite, measuring 12.85 x 8.76 x 6.57mm, exact weight 6.71ct., clarity is eye clean, type I, dark, very slightly grayish, violetish blue color, (GIA vB 7/3), cut is good. Transmitting light with no distortion, transparent. GIA Gemological Report attached. Graded loose prior to setting in the GIA Laboratory, Report #5171379335. 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. Thirty-six prong set round brilliant cut diamonds approximate total weight of 36 Stones = 1.45ctw. Graded in the setting. Color F - H Clarity VS1 to VS2 Total Weight of Colored Stones 6.71ct. Total Weight of Diamonds 1.45ctw. Total Weight of Ring 9.75 gm Appraisal: $23665 Tanzanite |Platinum| Orianne