Gold and diamond briolette necklace and earrings

The delicate gold chain accented with collet-set single-cut diamonds, centering an articulated pendant set with a carved emerald and a half-moon-shaped diamond supporting fringes of old-mine and single-cut diamonds and faceted diamond beads, anchored by 5 diamond briolettes, length 20 inches; the earrings composed of button pearls, diamond beads and single-cut diamonds anchored by diamond briolettes. 

The diamonds range from near colorless to light yellow, one briolette in the necklace is pale green-blue, the briolettes in the earrings are faint brown, all are mostly I clarity. The weights in the necklace are approximately 6.50-7.00 carats, in the earrings approximately 3.15 carats. In 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.