Pair of tanzanite and diamond pendant-earrings

Set with 2 briolette tanzanite drops together weighing approximately 43.50 carats, within double frames of conforming shape set with small round diamonds, surmounted by 2 marquise-shaped diamonds together weighing 2.06 carats, also framed by small round diamonds, the round diamonds weighing a total of approximately 2.50 carats, mounted in platinum. 

The tanzanites are a strong violetish-blue color and eye-clean. See GIA reports for the marquise-cut diamonds, each weiging 1.03 carats, stating they are G-SI2 and F-SI2. The smaller round diamonds are approximately H-I color and VS-SI clarity. Nice movement when worn and in very good condition.
In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Sotheby's is merely a subjective qualified opinion. Illustrations in the catalogue may not be actual size. Prospective purchasers are reminded that, unless the catalogue description specifically states that a stone is natural, we have assumed that some form of treatment may have been used and that such treatment may not be permanent. Our presale estimates reflect this assumption.
NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING CONDITION OF A LOT, ALL LOTS ARE OFFERED AND SOLD "AS IS" IN ACCORDANCE WITH THE CONDITIONS OF SALE PRINTED IN THE CATALOGUE.

Accompanied by two GIA reports nos. 16282538 and 16178069 stating that the marquise-shaped diamonds are G color, SI2 and F color, SI2 respectively.