Rutilated quartz briolette and black diamond necklace and pendant-earrings, Tamsen Z Bijoux

The graduated necklace composed of numerous rutilated quartz briolettes weighing 900.00 carats, accented by black diamond beads weighing 27.20 carats, completed by two 18 karat gold and round diamond rondelles and an 18 karat white gold clasp, length 18 inches, the earrings composed of rutilated quartz briolettes weighing 36.00 carats, accented at the top and bottom with 12 black diamond briolettes weighing 7.20 carats, mounted in 18 karat white gold, unsigned but designed by Tamsen Z Bijoux.

Very good condition. The black diamonds are opaque; some with cavities. The quartz briolettes contain attractive black rutile inclusions. The earring hooks are set with 30 small round-cut diamonds, approximately 0.10 carat, G-H color, VS-SI clarity.
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.